Merge \\\\"gfx: support external display\\\\" into cw-e-dev am: e3e49cc873 am: 56b8c3132c am: 59b023a4d9
am: 920769ebb9

Change-Id: I34f7f3de542286aa10a2b1e8f83443fbeddf64c9
tree: f838cfeacf6127193d9589844f651f69fc7f1a30
  1. merrifield/
  2. moorefield_hdmi/