This tidies up the ARMV7 case when creating cbfs: - Calculate the offset using the size of the master header and offsets rather than using a magic constant. - Re-order some assignments so things happen in a logical order. Change-Id: Id9cdbc3389c8bb504fa99436c9771936cc4c1c23 Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/2125 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>