sh: Fix uImage build error.

The printf string was broken in the same way the zImage one was before,
though the uImage managed to avoid getting fixed at that time. Do so now.
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

arch/sh/boot/Makefile

@@ -32,12 +32,12 @@ $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
 $(obj)/compressed/vmlinux: FORCE
 	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
 
-KERNEL_LOAD	:= $(shell /bin/bash -c 'printf "0x%8x" \
+KERNEL_LOAD	:= $(shell /bin/bash -c 'printf "0x%08x" \
 		     $$[$(CONFIG_PAGE_OFFSET)  + \
 			$(CONFIG_MEMORY_START) + \
 			$(CONFIG_ZERO_PAGE_OFFSET)]')
 
-KERNEL_ENTRY	:= $(shell /bin/bash -c 'printf "0x%8x" \
+KERNEL_ENTRY	:= $(shell /bin/bash -c 'printf "0x%08x" \
 		     $$[$(CONFIG_PAGE_OFFSET)  + \
 			$(CONFIG_MEMORY_START) + \
 			$(CONFIG_ZERO_PAGE_OFFSET)+0x1000]')