the ->p_offset value because its just that: an offset.

Remove the Makefile code to produce an imagesize.c, its not needed anymore.
Remove all FORCE flags, to not rebuild the zImage if vmlinux was not changed.

Signed-off-by: Olaf Hering <olh@suse.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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