display: fix up TTM dependency by setting ov# to 0 am: 088aa2e96c
am: a4a351be03

Change-Id: Ib4751684de41f94fad9c583edc09fe4d77774e4b
tree: 78b67878788448603ebcc695ba998c7c941d54ad
  1. merrifield/
  2. moorefield_hdmi/