futility: add vbutil_key into the built-in features

BUG=chromium:224734
BRANCH=ToT
TEST=make runtests

Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Change-Id: I6757a9c7f70bbe8d1db9bb3f0521778fbbb9632e
Reviewed-on: https://chromium-review.googlesource.com/207927
Reviewed-by: Randall Spangler <rspangler@chromium.org>
3 files changed