board_status.sh: checksum the rom and save it for later verification

This allows users who build the rom from the board-status repo to
verify that their rom matches the original.

Change-Id: I4e8564e389495909219f92ccdafb8e9568f8f0d0
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/12760
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
1 file changed