futility: Allow signing raw firmware blob and keyblocks

BUG=none
BRANCH=ToT
TEST=make runtests

Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Change-Id: Ib1cf55301fd4c54e3280ef01b7d67a780e7e56fe
Reviewed-on: https://chromium-review.googlesource.com/219731
Reviewed-by: Randall Spangler <rspangler@chromium.org>
4 files changed