cbfstool: Hide cbfstool_offset from the global namespace

This is part of a larger effort to reduce global variable usage in
cbfstool. cbfstool_offset is particularly easy to hide since it's only
used in common.c .

Change-Id: Ic45349b5148d4407f31e12682ea0ad4b68136711
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/5102
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2 files changed