firmware: adding support for language menu

BUG=chrome-os-partner:61275
BRANCH=None
TEST=reboot and try selecting language menu.

Change-Id: I3ec208578aec0ccaa92e17e4589ebeae250dae4f
Signed-off-by: Shelley Chen <shchen@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/424355
Reviewed-by: Randall Spangler <rspangler@chromium.org>
1 file changed