build system: Add another post-processing step

files_added is for rules that need to run after all CBFS processing is
finished, such as SoC-specific postprocessing of the image, or for
vboot, to sign the RW regions (that contain CBFS that shouldn't change
afterwards.)

Change-Id: I830aa0c93429f4971cd68e4358faba5c206c0038
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/13557
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
1 file changed