abuild: mark failed builds as failed

abuild only created compile.status for successful builds,
but sometimes it's helpful to easily identify all failed
builds of a full run:

$ grep -l failed coreboot-builds/*/compile.status

Change-Id: Ic90280fb2e8cff1f8f558a2e67ffad741beddbdf
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/9964
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

0 files changed, 0 insertions, 0 deletions