Add DISABLE_DEV_REQUEST flag to nvram.

This just creates the bit. It doesn't actually do anything yet.

BUG=chrome-os-partner:9980
TEST=manual

  crossystem disable_dev_request=1
  crossystem
  crossystem disable_dev_request=0
  crossystem

Change-Id: I0e92a6b5ef5074ee5eae2d6d469c1c9826faecb3
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/23752
Reviewed-by: Randall Spangler <rspangler@chromium.org>
4 files changed