drm/bridge: add LT9611 DSI to HDMI bridge driver

Add LT9611 bridge driver to support DSI to HDMI output.
Configure the LT9611 chip via I2C for audio/video setup.

CRs-Fixed: 2140653
Change-Id: I3a1868df136041748e3cf212cc25b5bb91ed174c
Signed-off-by: Ray Zhang <rayz@codeaurora.org>
5 files changed