sh: Add uImage and S-rec generation support.

Add a couple of new targets, both for uImage and S-rec generation.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index d10bba5..c1dbef2 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -179,7 +179,7 @@
 
 all: zImage
 
-zImage: vmlinux
+zImage uImage uImage.srec vmlinux.srec: vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
 
 compressed: zImage
@@ -190,5 +190,8 @@
 CLEAN_FILES += include/asm-sh/machtypes.h
 
 define archhelp
-	@echo '  zImage 	           - Compressed kernel image (arch/sh/boot/zImage)'
+	@echo '* zImage 	           - Compressed kernel image'
+	@echo '  vmlinux.srec	           - Create an ELF S-record'
+	@echo '  uImage  	           - Create a bootable image for U-Boot'
+	@echo '  uImage.srec  	           - Create an S-record for U-Boot'
 endef