(factory-2460.B)vboot_reference: add "set_gbb_flags" script.

A simple script to help setting GBB flags on-the-fly, with help information for
flag value meanings.

BUG=chrome-os-partner:10389
TEST=./set_gbb_flags.sh 0x20
     ./set_gbb_flags.sh 0x0

Reviewed-on: https://gerrit.chromium.org/gerrit/26224
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Commit-Ready: Hung-Te Lin <hungte@chromium.org>
Tested-by: Hung-Te Lin <hungte@chromium.org>

(cherry picked from commit 61603e2d6128d6fadd2fd8b1f16d60c5df8c00bd)

Change-Id: Ib63a813e35eb7b254411e3d64f4c71f41e51b817
Reviewed-on: https://gerrit.chromium.org/gerrit/27435
Reviewed-by: Jay Kim <yongjaek@chromium.org>
Tested-by: Jay Kim <yongjaek@chromium.org>
1 file changed