set_gbb_flags: add '-p host' to flashrom command

BRANCH=none
BUG=chrome-os-partner:60894
TEST=set_gbb_flags 0

Change-Id: I22f372590bfe7705d4312588f971ad37f229a216
Reviewed-on: https://chromium-review.googlesource.com/418519
Commit-Ready: Ting Shen <phoenixshen@chromium.org>
Tested-by: Ting Shen <phoenixshen@chromium.org>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
1 file changed