[XTENSA] Fix makefile to work with binutils-2.18.

When building with binutils-2.18, vmlinux includes .note.gnu.build-id
sections that need to be stripped out when building the binary image.
The old .xt.insn sections haven't been used for a long time, so don't
bother stripping them.
Signed-off-by: Bob Wilson <bob.wilson@acm.org>
Signed-off-by: Chris Zankel <chris@zankel.net>

arch/xtensa/boot/boot-elf/Makefile

@@ -21,7 +21,7 @@ boot-y		:= bootstrap.o
 OBJS		:= $(addprefix $(obj)/,$(boot-y))
 
 Image:	vmlinux $(OBJS) arch/$(ARCH)/boot/boot-elf/boot.lds
-	$(OBJCOPY) --strip-all -R .comment -R .xt.insn -O binary \
+	$(OBJCOPY) --strip-all -R .comment -R .note.gnu.build-id -O binary \
 		vmlinux vmlinux.tmp
 	$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
 		--add-section image=vmlinux.tmp \
@@ -33,7 +33,7 @@ Image:	vmlinux $(OBJS) arch/$(ARCH)/boot/boot-elf/boot.lds
 	rm -f $@.tmp vmlinux.tmp
 
 Image.initrd:	vmlinux $(OBJS)
-	$(OBJCOPY) --strip-all -R .comment -R .xt.insn -O binary \
+	$(OBJCOPY) --strip-all -R .comment -R .note.gnu.build-id -O binary \
 		--add-section .initrd=arch/$(ARCH)/boot/ramdisk \
 		--set-section-flags .initrd=contents,alloc,load,load,data \
 		vmlinux vmlinux.tmp

arch/xtensa/boot/boot-redboot/Makefile

@@ -22,7 +22,7 @@ LIBS	:= arch/xtensa/boot/lib/lib.a arch/xtensa/lib/lib.a
 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
 
 zImage: vmlinux $(OBJS) $(LIBS)
-	$(OBJCOPY) --strip-all -R .comment -R .xt.insn -O binary \
+	$(OBJCOPY) --strip-all -R .comment -R .note.gnu.build-id -O binary \
 		vmlinux vmlinux.tmp
 	gzip -vf9 vmlinux.tmp
 	$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \