CHERRY-PICK: xorg configuration for Heli

Configuration is a copy of Jerry

BUG=chrome-os-partner:42167
TEST=To automatically verify if the config is correctly applied run:
     $ mtbringup-xorg -r device_ip --verify

Change-Id: I131e4ac60ce6629766a99ff562890f70a190b0cf
Reviewed-on: https://chromium-review.googlesource.com/286022
Reviewed-by: Charlie Mooney <charliemooney@chromium.org>
Commit-Queue: Mohammed Habibulla <moch@chromium.org>
Tested-by: Mohammed Habibulla <moch@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/286014
1 file changed