vboot: disallow DIAGNOSTIC_UI with MENU_UI

DIAGNOSTIC_UI is incompatible with the new menu_ui ("Groot").
Disallow diagnostic UI under the condition of using MENU_UI.

BUG=b:146399181, b:160748354
TEST=make clean && make runtests
BRANCH=none

Signed-off-by: Joel Kitching <kitching@google.com>
Change-Id: Idc09e37a72d355baf7fa42ade7cdfecb3d41eabb
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/2319415
Tested-by: Joel Kitching <kitching@chromium.org>
Reviewed-by: Yu-Ping Wu <yupingso@chromium.org>
Commit-Queue: Joel Kitching <kitching@chromium.org>
1 file changed