Enable the cpu v4 tests for LoongArch. Currently, we don't have BPF
trampoline in LoongArch JIT, so the fentry test `test_ptr_struct_arg`
still failed, will followup.

Test result attached below:

  # ./test_progs -t verifier_sdiv,verifier_movsx,verifier_ldsx,verifier_gotol,verifier_bswap
  #316/1   verifier_bswap/BSWAP, 16:OK
  #316/2   verifier_bswap/BSWAP, 16 @unpriv:OK
  #316/3   verifier_bswap/BSWAP, 32:OK
  #316/4   verifier_bswap/BSWAP, 32 @unpriv:OK
  #316/5   verifier_bswap/BSWAP, 64:OK
  #316/6   verifier_bswap/BSWAP, 64 @unpriv:OK
  #316     verifier_bswap:OK
  #330/1   verifier_gotol/gotol, small_imm:OK
  #330/2   verifier_gotol/gotol, small_imm @unpriv:OK
  #330     verifier_gotol:OK
  #338/1   verifier_ldsx/LDSX, S8:OK
  #338/2   verifier_ldsx/LDSX, S8 @unpriv:OK
  #338/3   verifier_ldsx/LDSX, S16:OK
  #338/4   verifier_ldsx/LDSX, S16 @unpriv:OK
  #338/5   verifier_ldsx/LDSX, S32:OK
  #338/6   verifier_ldsx/LDSX, S32 @unpriv:OK
  #338/7   verifier_ldsx/LDSX, S8 range checking, privileged:OK
  #338/8   verifier_ldsx/LDSX, S16 range checking:OK
  #338/9   verifier_ldsx/LDSX, S16 range checking @unpriv:OK
  #338/10  verifier_ldsx/LDSX, S32 range checking:OK
  #338/11  verifier_ldsx/LDSX, S32 range checking @unpriv:OK
  #338     verifier_ldsx:OK
  #349/1   verifier_movsx/MOV32SX, S8:OK
  #349/2   verifier_movsx/MOV32SX, S8 @unpriv:OK
  #349/3   verifier_movsx/MOV32SX, S16:OK
  #349/4   verifier_movsx/MOV32SX, S16 @unpriv:OK
  #349/5   verifier_movsx/MOV64SX, S8:OK
  #349/6   verifier_movsx/MOV64SX, S8 @unpriv:OK
  #349/7   verifier_movsx/MOV64SX, S16:OK
  #349/8   verifier_movsx/MOV64SX, S16 @unpriv:OK
  #349/9   verifier_movsx/MOV64SX, S32:OK
  #349/10  verifier_movsx/MOV64SX, S32 @unpriv:OK
  #349/11  verifier_movsx/MOV32SX, S8, range_check:OK
  #349/12  verifier_movsx/MOV32SX, S8, range_check @unpriv:OK
  #349/13  verifier_movsx/MOV32SX, S16, range_check:OK
  #349/14  verifier_movsx/MOV32SX, S16, range_check @unpriv:OK
  #349/15  verifier_movsx/MOV32SX, S16, range_check 2:OK
  #349/16  verifier_movsx/MOV32SX, S16, range_check 2 @unpriv:OK
  #349/17  verifier_movsx/MOV64SX, S8, range_check:OK
  #349/18  verifier_movsx/MOV64SX, S8, range_check @unpriv:OK
  #349/19  verifier_movsx/MOV64SX, S16, range_check:OK
  #349/20  verifier_movsx/MOV64SX, S16, range_check @unpriv:OK
  #349/21  verifier_movsx/MOV64SX, S32, range_check:OK
  #349/22  verifier_movsx/MOV64SX, S32, range_check @unpriv:OK
  #349/23  verifier_movsx/MOV64SX, S16, R10 Sign Extension:OK
  #349/24  verifier_movsx/MOV64SX, S16, R10 Sign Extension @unpriv:OK
  #349     verifier_movsx:OK
  #361/1   verifier_sdiv/SDIV32, non-zero imm divisor, check 1:OK
  #361/2   verifier_sdiv/SDIV32, non-zero imm divisor, check 1 @unpriv:OK
  #361/3   verifier_sdiv/SDIV32, non-zero imm divisor, check 2:OK
  #361/4   verifier_sdiv/SDIV32, non-zero imm divisor, check 2 @unpriv:OK
  #361/5   verifier_sdiv/SDIV32, non-zero imm divisor, check 3:OK
  #361/6   verifier_sdiv/SDIV32, non-zero imm divisor, check 3 @unpriv:OK
  #361/7   verifier_sdiv/SDIV32, non-zero imm divisor, check 4:OK
  #361/8   verifier_sdiv/SDIV32, non-zero imm divisor, check 4 @unpriv:OK
  #361/9   verifier_sdiv/SDIV32, non-zero imm divisor, check 5:OK
  #361/10  verifier_sdiv/SDIV32, non-zero imm divisor, check 5 @unpriv:OK
  #361/11  verifier_sdiv/SDIV32, non-zero imm divisor, check 6:OK
  #361/12  verifier_sdiv/SDIV32, non-zero imm divisor, check 6 @unpriv:OK
  #361/13  verifier_sdiv/SDIV32, non-zero imm divisor, check 7:OK
  #361/14  verifier_sdiv/SDIV32, non-zero imm divisor, check 7 @unpriv:OK
  #361/15  verifier_sdiv/SDIV32, non-zero imm divisor, check 8:OK
  #361/16  verifier_sdiv/SDIV32, non-zero imm divisor, check 8 @unpriv:OK
  #361/17  verifier_sdiv/SDIV32, non-zero reg divisor, check 1:OK
  #361/18  verifier_sdiv/SDIV32, non-zero reg divisor, check 1 @unpriv:OK
  #361/19  verifier_sdiv/SDIV32, non-zero reg divisor, check 2:OK
  #361/20  verifier_sdiv/SDIV32, non-zero reg divisor, check 2 @unpriv:OK
  #361/21  verifier_sdiv/SDIV32, non-zero reg divisor, check 3:OK
  #361/22  verifier_sdiv/SDIV32, non-zero reg divisor, check 3 @unpriv:OK
  #361/23  verifier_sdiv/SDIV32, non-zero reg divisor, check 4:OK
  #361/24  verifier_sdiv/SDIV32, non-zero reg divisor, check 4 @unpriv:OK
  #361/25  verifier_sdiv/SDIV32, non-zero reg divisor, check 5:OK
  #361/26  verifier_sdiv/SDIV32, non-zero reg divisor, check 5 @unpriv:OK
  #361/27  verifier_sdiv/SDIV32, non-zero reg divisor, check 6:OK
  #361/28  verifier_sdiv/SDIV32, non-zero reg divisor, check 6 @unpriv:OK
  #361/29  verifier_sdiv/SDIV32, non-zero reg divisor, check 7:OK
  #361/30  verifier_sdiv/SDIV32, non-zero reg divisor, check 7 @unpriv:OK
  #361/31  verifier_sdiv/SDIV32, non-zero reg divisor, check 8:OK
  #361/32  verifier_sdiv/SDIV32, non-zero reg divisor, check 8 @unpriv:OK
  #361/33  verifier_sdiv/SDIV64, non-zero imm divisor, check 1:OK
  #361/34  verifier_sdiv/SDIV64, non-zero imm divisor, check 1 @unpriv:OK
  #361/35  verifier_sdiv/SDIV64, non-zero imm divisor, check 2:OK
  #361/36  verifier_sdiv/SDIV64, non-zero imm divisor, check 2 @unpriv:OK
  #361/37  verifier_sdiv/SDIV64, non-zero imm divisor, check 3:OK
  #361/38  verifier_sdiv/SDIV64, non-zero imm divisor, check 3 @unpriv:OK
  #361/39  verifier_sdiv/SDIV64, non-zero imm divisor, check 4:OK
  #361/40  verifier_sdiv/SDIV64, non-zero imm divisor, check 4 @unpriv:OK
  #361/41  verifier_sdiv/SDIV64, non-zero imm divisor, check 5:OK
  #361/42  verifier_sdiv/SDIV64, non-zero imm divisor, check 5 @unpriv:OK
  #361/43  verifier_sdiv/SDIV64, non-zero imm divisor, check 6:OK
  #361/44  verifier_sdiv/SDIV64, non-zero imm divisor, check 6 @unpriv:OK
  #361/45  verifier_sdiv/SDIV64, non-zero reg divisor, check 1:OK
  #361/46  verifier_sdiv/SDIV64, non-zero reg divisor, check 1 @unpriv:OK
  #361/47  verifier_sdiv/SDIV64, non-zero reg divisor, check 2:OK
  #361/48  verifier_sdiv/SDIV64, non-zero reg divisor, check 2 @unpriv:OK
  #361/49  verifier_sdiv/SDIV64, non-zero reg divisor, check 3:OK
  #361/50  verifier_sdiv/SDIV64, non-zero reg divisor, check 3 @unpriv:OK
  #361/51  verifier_sdiv/SDIV64, non-zero reg divisor, check 4:OK
  #361/52  verifier_sdiv/SDIV64, non-zero reg divisor, check 4 @unpriv:OK
  #361/53  verifier_sdiv/SDIV64, non-zero reg divisor, check 5:OK
  #361/54  verifier_sdiv/SDIV64, non-zero reg divisor, check 5 @unpriv:OK
  #361/55  verifier_sdiv/SDIV64, non-zero reg divisor, check 6:OK
  #361/56  verifier_sdiv/SDIV64, non-zero reg divisor, check 6 @unpriv:OK
  #361/57  verifier_sdiv/SMOD32, non-zero imm divisor, check 1:OK
  #361/58  verifier_sdiv/SMOD32, non-zero imm divisor, check 1 @unpriv:OK
  #361/59  verifier_sdiv/SMOD32, non-zero imm divisor, check 2:OK
  #361/60  verifier_sdiv/SMOD32, non-zero imm divisor, check 2 @unpriv:OK
  #361/61  verifier_sdiv/SMOD32, non-zero imm divisor, check 3:OK
  #361/62  verifier_sdiv/SMOD32, non-zero imm divisor, check 3 @unpriv:OK
  #361/63  verifier_sdiv/SMOD32, non-zero imm divisor, check 4:OK
  #361/64  verifier_sdiv/SMOD32, non-zero imm divisor, check 4 @unpriv:OK
  #361/65  verifier_sdiv/SMOD32, non-zero imm divisor, check 5:OK
  #361/66  verifier_sdiv/SMOD32, non-zero imm divisor, check 5 @unpriv:OK
  #361/67  verifier_sdiv/SMOD32, non-zero imm divisor, check 6:OK
  #361/68  verifier_sdiv/SMOD32, non-zero imm divisor, check 6 @unpriv:OK
  #361/69  verifier_sdiv/SMOD32, non-zero reg divisor, check 1:OK
  #361/70  verifier_sdiv/SMOD32, non-zero reg divisor, check 1 @unpriv:OK
  #361/71  verifier_sdiv/SMOD32, non-zero reg divisor, check 2:OK
  #361/72  verifier_sdiv/SMOD32, non-zero reg divisor, check 2 @unpriv:OK
  #361/73  verifier_sdiv/SMOD32, non-zero reg divisor, check 3:OK
  #361/74  verifier_sdiv/SMOD32, non-zero reg divisor, check 3 @unpriv:OK
  #361/75  verifier_sdiv/SMOD32, non-zero reg divisor, check 4:OK
  #361/76  verifier_sdiv/SMOD32, non-zero reg divisor, check 4 @unpriv:OK
  #361/77  verifier_sdiv/SMOD32, non-zero reg divisor, check 5:OK
  #361/78  verifier_sdiv/SMOD32, non-zero reg divisor, check 5 @unpriv:OK
  #361/79  verifier_sdiv/SMOD32, non-zero reg divisor, check 6:OK
  #361/80  verifier_sdiv/SMOD32, non-zero reg divisor, check 6 @unpriv:OK
  #361/81  verifier_sdiv/SMOD64, non-zero imm divisor, check 1:OK
  #361/82  verifier_sdiv/SMOD64, non-zero imm divisor, check 1 @unpriv:OK
  #361/83  verifier_sdiv/SMOD64, non-zero imm divisor, check 2:OK
  #361/84  verifier_sdiv/SMOD64, non-zero imm divisor, check 2 @unpriv:OK
  #361/85  verifier_sdiv/SMOD64, non-zero imm divisor, check 3:OK
  #361/86  verifier_sdiv/SMOD64, non-zero imm divisor, check 3 @unpriv:OK
  #361/87  verifier_sdiv/SMOD64, non-zero imm divisor, check 4:OK
  #361/88  verifier_sdiv/SMOD64, non-zero imm divisor, check 4 @unpriv:OK
  #361/89  verifier_sdiv/SMOD64, non-zero imm divisor, check 5:OK
  #361/90  verifier_sdiv/SMOD64, non-zero imm divisor, check 5 @unpriv:OK
  #361/91  verifier_sdiv/SMOD64, non-zero imm divisor, check 6:OK
  #361/92  verifier_sdiv/SMOD64, non-zero imm divisor, check 6 @unpriv:OK
  #361/93  verifier_sdiv/SMOD64, non-zero imm divisor, check 7:OK
  #361/94  verifier_sdiv/SMOD64, non-zero imm divisor, check 7 @unpriv:OK
  #361/95  verifier_sdiv/SMOD64, non-zero imm divisor, check 8:OK
  #361/96  verifier_sdiv/SMOD64, non-zero imm divisor, check 8 @unpriv:OK
  #361/97  verifier_sdiv/SMOD64, non-zero reg divisor, check 1:OK
  #361/98  verifier_sdiv/SMOD64, non-zero reg divisor, check 1 @unpriv:OK
  #361/99  verifier_sdiv/SMOD64, non-zero reg divisor, check 2:OK
  #361/100 verifier_sdiv/SMOD64, non-zero reg divisor, check 2 @unpriv:OK
  #361/101 verifier_sdiv/SMOD64, non-zero reg divisor, check 3:OK
  #361/102 verifier_sdiv/SMOD64, non-zero reg divisor, check 3 @unpriv:OK
  #361/103 verifier_sdiv/SMOD64, non-zero reg divisor, check 4:OK
  #361/104 verifier_sdiv/SMOD64, non-zero reg divisor, check 4 @unpriv:OK
  #361/105 verifier_sdiv/SMOD64, non-zero reg divisor, check 5:OK
  #361/106 verifier_sdiv/SMOD64, non-zero reg divisor, check 5 @unpriv:OK
  #361/107 verifier_sdiv/SMOD64, non-zero reg divisor, check 6:OK
  #361/108 verifier_sdiv/SMOD64, non-zero reg divisor, check 6 @unpriv:OK
  #361/109 verifier_sdiv/SMOD64, non-zero reg divisor, check 7:OK
  #361/110 verifier_sdiv/SMOD64, non-zero reg divisor, check 7 @unpriv:OK
  #361/111 verifier_sdiv/SMOD64, non-zero reg divisor, check 8:OK
  #361/112 verifier_sdiv/SMOD64, non-zero reg divisor, check 8 @unpriv:OK
  #361/113 verifier_sdiv/SDIV32, zero divisor:OK
  #361/114 verifier_sdiv/SDIV32, zero divisor @unpriv:OK
  #361/115 verifier_sdiv/SDIV64, zero divisor:OK
  #361/116 verifier_sdiv/SDIV64, zero divisor @unpriv:OK
  #361/117 verifier_sdiv/SMOD32, zero divisor:OK
  #361/118 verifier_sdiv/SMOD32, zero divisor @unpriv:OK
  #361/119 verifier_sdiv/SMOD64, zero divisor:OK
  #361/120 verifier_sdiv/SMOD64, zero divisor @unpriv:OK
  #361     verifier_sdiv:OK
  Summary: 5/163 PASSED, 0 SKIPPED, 0 FAILED

  # ./test_progs -t ldsx_insn
  test_map_val_and_probed_memory:PASS:test_ldsx_insn__open 0 nsec
  test_map_val_and_probed_memory:PASS:test_ldsx_insn__load 0 nsec
  libbpf: prog 'test_ptr_struct_arg': failed to attach: ERROR: strerror_r(-524)=22
  libbpf: prog 'test_ptr_struct_arg': failed to auto-attach: -524
  test_map_val_and_probed_memory:FAIL:test_ldsx_insn__attach unexpected error: -524 (errno 524)
  #116/1   ldsx_insn/map_val and probed_memory:FAIL
  #116/2   ldsx_insn/ctx_member_sign_ext:OK
  #116/3   ldsx_insn/ctx_member_narrow_sign_ext:OK
  #116     ldsx_insn:FAIL

  All error logs:
  test_map_val_and_probed_memory:PASS:test_ldsx_insn__open 0 nsec
  test_map_val_and_probed_memory:PASS:test_ldsx_insn__load 0 nsec
  libbpf: prog 'test_ptr_struct_arg': failed to attach: ERROR: strerror_r(-524)=22
  libbpf: prog 'test_ptr_struct_arg': failed to auto-attach: -524
  test_map_val_and_probed_memory:FAIL:test_ldsx_insn__attach unexpected error: -524 (errno 524)
  #116/1   ldsx_insn/map_val and probed_memory:FAIL
  #116     ldsx_insn:FAIL
  Summary: 0/2 PASSED, 0 SKIPPED, 1 FAILED
Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>