vboot: Add ui for setting vendor data in VPD

BUG=b:124297157
TEST=make runtest
     test on device
BRANCH=none
CQ-DEPEND=CL:1466822

Change-Id: Ic3b1b502b1aff14a795397da3024f8a12eb04775
Reviewed-on: https://chromium-review.googlesource.com/1466290
Commit-Ready: Mathew King <mathewk@chromium.org>
Tested-by: Mathew King <mathewk@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Mathew King <mathewk@chromium.org>
15 files changed