x86: define OBJCOPYFLAGS explicitly for each target.

Do this rather than defining a global version and overriding it in
almost all cases in order to make subsequent patches simpler.
Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/Makefile

@@ -92,7 +92,6 @@ KBUILD_AFLAGS += $(cfi) $(cfi-sigframe)
 KBUILD_CFLAGS += $(cfi) $(cfi-sigframe)
 
 LDFLAGS := -m elf_$(UTS_MACHINE)
-OBJCOPYFLAGS := -O binary -R .note -R .comment -S
 
 # Speed up the build
 KBUILD_CFLAGS += -pipe

arch/x86/boot/Makefile

@@ -80,6 +80,7 @@ $(obj)/zImage $(obj)/bzImage: $(obj)/setup.bin \
 	$(call if_changed,image)
 	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
 
+OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
 $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE
 	$(call if_changed,objcopy)
 
@@ -90,7 +91,6 @@ $(obj)/setup.elf: $(src)/setup.ld $(SETUP_OBJS) FORCE
 	$(call if_changed,ld)
 
 OBJCOPYFLAGS_setup.bin	:= -O binary
-
 $(obj)/setup.bin: $(obj)/setup.elf FORCE
 	$(call if_changed,objcopy)
 

arch/x86/boot/compressed/Makefile

@@ -22,6 +22,7 @@ $(obj)/vmlinux: $(src)/vmlinux_$(BITS).lds $(obj)/head_$(BITS).o $(obj)/misc.o $
 	$(call if_changed,ld)
 	@:
 
+OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S
 $(obj)/vmlinux.bin: vmlinux FORCE
 	$(call if_changed,objcopy)