Add tests for vboot_reference stateful_util.c

BUG=chromium-os:17564
TEST=make && make runtests

Change-Id: I5d55be2dfead0c5d7af72841cbd6c65485685cd6
Reviewed-on: http://gerrit.chromium.org/gerrit/6596
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
Tested-by: Randall Spangler <rspangler@chromium.org>
7 files changed