unicore32: using generic-y format for one line asm-generic files

The patch adds one-line asm-generic files in arch/unicore32/include/asm/Kbuild
Also, remove the old implementation in arch/unicore32/Makefile
see commit from Sam Ravnborg <d8ecc5cd>
  kbuild: asm-generic support
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Acked-by: Arnd Bergmann <arnd@arndb.de>

arch/unicore32/Makefile

@@ -40,39 +40,6 @@ core-y			+= arch/unicore32/mm/
 
 libs-y			+= arch/unicore32/lib/
 
-ASM_GENERATED_DIR	:= $(srctree)/arch/unicore32/include/generated
-LINUXINCLUDE		+= -I$(ASM_GENERATED_DIR)
-
-ASM_GENERIC_HEADERS	:= atomic.h auxvec.h
-ASM_GENERIC_HEADERS	+= bitsperlong.h bug.h bugs.h
-ASM_GENERIC_HEADERS	+= cputime.h current.h
-ASM_GENERIC_HEADERS	+= device.h div64.h
-ASM_GENERIC_HEADERS	+= emergency-restart.h errno.h
-ASM_GENERIC_HEADERS	+= fb.h fcntl.h ftrace.h futex.h
-ASM_GENERIC_HEADERS	+= hardirq.h hw_irq.h
-ASM_GENERIC_HEADERS	+= ioctl.h ioctls.h ipcbuf.h irq_regs.h
-ASM_GENERIC_HEADERS	+= kdebug.h kmap_types.h
-ASM_GENERIC_HEADERS	+= local.h
-ASM_GENERIC_HEADERS	+= mman.h module.h msgbuf.h
-ASM_GENERIC_HEADERS	+= param.h parport.h percpu.h poll.h posix_types.h
-ASM_GENERIC_HEADERS	+= resource.h
-ASM_GENERIC_HEADERS	+= scatterlist.h sections.h segment.h sembuf.h serial.h
-ASM_GENERIC_HEADERS	+= setup.h shmbuf.h shmparam.h
-ASM_GENERIC_HEADERS	+= siginfo.h signal.h sizes.h
-ASM_GENERIC_HEADERS	+= socket.h sockios.h stat.h statfs.h swab.h syscalls.h
-ASM_GENERIC_HEADERS	+= termbits.h termios.h topology.h types.h
-ASM_GENERIC_HEADERS	+= ucontext.h unaligned.h user.h
-ASM_GENERIC_HEADERS	+= vga.h
-ASM_GENERIC_HEADERS	+= xor.h
-
-archprepare:
-ifneq ($(ASM_GENERATED_DIR), $(wildcard $(ASM_GENERATED_DIR)))
-	$(Q)mkdir -p $(ASM_GENERATED_DIR)/asm
-	$(Q)$(foreach a, $(ASM_GENERIC_HEADERS),	\
-		echo '#include <asm-generic/$a>'	\
-			> $(ASM_GENERATED_DIR)/asm/$a; )
-endif
-
 boot			:= arch/unicore32/boot
 
 # Default defconfig and target when executing plain make
@@ -84,8 +51,6 @@ all:	$(KBUILD_IMAGE)
 zImage Image uImage: vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 
-MRPROPER_DIRS		+= $(ASM_GENERATED_DIR)
-
 archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)
 

arch/unicore32/include/asm/Kbuild

 include include/asm-generic/Kbuild.asm
 
+generic-y += atomic.h
+generic-y += auxvec.h
+generic-y += bitsperlong.h
+generic-y += bug.h
+generic-y += bugs.h
+generic-y += cputime.h
+generic-y += current.h
+generic-y += device.h
+generic-y += div64.h
+generic-y += emergency-restart.h
+generic-y += errno.h
+generic-y += fb.h
+generic-y += fcntl.h
+generic-y += ftrace.h
+generic-y += futex.h
+generic-y += hardirq.h
+generic-y += hw_irq.h
+generic-y += ioctl.h
+generic-y += ioctls.h
+generic-y += ipcbuf.h
+generic-y += irq_regs.h
+generic-y += kdebug.h
+generic-y += kmap_types.h
+generic-y += local.h
+generic-y += mman.h
+generic-y += module.h
+generic-y += msgbuf.h
+generic-y += param.h
+generic-y += parport.h
+generic-y += percpu.h
+generic-y += poll.h
+generic-y += posix_types.h
+generic-y += resource.h
+generic-y += scatterlist.h
+generic-y += sections.h
+generic-y += segment.h
+generic-y += sembuf.h
+generic-y += serial.h
+generic-y += setup.h
+generic-y += shmbuf.h
+generic-y += shmparam.h
+generic-y += siginfo.h
+generic-y += signal.h
+generic-y += sizes.h
+generic-y += socket.h
+generic-y += sockios.h
+generic-y += stat.h
+generic-y += statfs.h
+generic-y += swab.h
+generic-y += syscalls.h
+generic-y += termbits.h
+generic-y += termios.h
+generic-y += topology.h
+generic-y += types.h
+generic-y += ucontext.h
+generic-y += unaligned.h
+generic-y += user.h
+generic-y += vga.h
+generic-y += xor.h