Merge \"gfx: support external display\" into cw-e-dev
am: e3e49cc873

Change-Id: I52091a5f38e615b568ba81735c364b6a8c5277c7
tree: 256483a3883267a41d21a5d43bf0440c7fd2cf9c
  1. merrifield/
  2. moorefield_hdmi/