sparc: Add target for a stripped kernel

Add a target for a stripped kernel. This is used for the various
packaging targets (*-pkg).

Signed-off-by: Martin Habets <errandir_news@mph.eclipse.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/boot/Makefile b/arch/sparc/boot/Makefile
index 22d331e..3e77a9f 100644
--- a/arch/sparc/boot/Makefile
+++ b/arch/sparc/boot/Makefile
@@ -19,6 +19,9 @@
       cmd_sysmap        = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap
 quiet_cmd_image = LD      $@
       cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@
+quiet_cmd_strip = STRIP   $@
+      cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $(obj)/image -o $@
+
 
 define rule_image
 	$(if $($(quiet)cmd_image),               \
@@ -49,6 +52,9 @@
 $(obj)/image: $(obj)/btfix.o FORCE
 	$(call if_changed_rule,image)
 
+$(obj)/zImage: $(obj)/image
+	$(call if_changed,strip)
+
 $(obj)/tftpboot.img: $(obj)/piggyback $(obj)/System.map $(obj)/image FORCE
 	$(call if_changed,elftoaout)
 	$(call if_changed,piggy)