sh: Stub in a dummy ENTRY_OFFSET for uImage offset calculation.

If none is defined, provide a sane default, as we do for the other
options.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile
index 8b37869..5b54965 100644
--- a/arch/sh/boot/Makefile
+++ b/arch/sh/boot/Makefile
@@ -18,9 +18,10 @@
 CONFIG_MEMORY_START	?= 0x0c000000
 CONFIG_BOOT_LINK_OFFSET	?= 0x00800000
 CONFIG_ZERO_PAGE_OFFSET	?= 0x00001000
+CONFIG_ENTRY_OFFSET	?= 0x00001000
 
 export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
-       CONFIG_ZERO_PAGE_OFFSET
+       CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET
 
 targets := zImage vmlinux.srec uImage uImage.srec
 subdir- := compressed