Add EDID file location to daisy UCM config.
Add EDID file location to daisy UCM config.

CRAS will read this file to fetch EDID and check for audio support.

BUG=chromium-os35285
TEST=Attach HDMI monitor that doesn't support audio, sound should
continue from Daisy's speakers.  Attach audio-capable sink and audio is
routed to it.

Change-Id: Ifccc23f6b7ff2fd26dfae51939a6be1fa03d878d
Signed-off-by: Dylan Reid <c791bfe44996c1eed9c7149a0c5f12a86d58eb85@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/36189

drinkcat/adhd,drinkcat/adhd,drinkcat/adhd,drinkcat/adhd,drinkcat/adhd,drinkcat/adhd