KVM: arm64: Always populate the trap configuration xarray

As we are going to rely more and more on the global xarray that
contains the trap configuration, always populate it, even in the
non-NV case.
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240214131827.2856277-14-maz@kernel.orgSigned-off-by: Oliver Upton <oliver.upton@linux.dev>

arch/arm64/kvm/sys_regs.c

@@ -3995,8 +3995,5 @@ int __init kvm_sys_reg_table_init(void)
 	if (!first_idreg)
 		return -EINVAL;
 
-	if (kvm_get_mode() == KVM_MODE_NV)
-		return populate_nv_trap_config();
-
-	return 0;
+	return populate_nv_trap_config();
 }