msm: adv7533: add DSI to HDMI bridge chip support

Add driver for ADV7533 to support DSI to HDMI output.
Configure the ADV7533 via I2C for audio/video setup.

Change-Id: Iec0b922e1257d6974ea1755b49a6087f85eb8499
Signed-off-by: Ilia Lin <ilialin@codeaurora.org>
Signed-off-by: Tanya Finkel <tfinkel@codeaurora.org>
Signed-off-by: Bharat Pawar <bpawar@codeaurora.org>
Signed-off-by: Nirmal Abraham <nabrah@codeaurora.org>