board_status: Abort early if the coreboot image doesn't exist

Change-Id: I274c990e69634ebcb9dd77470cbf1515281de312
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-on: https://review.coreboot.org/14683
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
1 file changed