Keep vbutil_ec from dying if EC firmware B isn't present

BUG=chrome-os-partner:11451
TEST=build bds firmware with ifdef CONFIG_FW_B removed from config.h

Change-Id: I74ef0258988e065f602e4564e3b49903b34013c5
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/27655
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
1 file changed