ASoC: msm: qdsp6v2: Add support for HDMI passthrough

Add support for compressed bitstream passthrough over HDMI
for DD/DDP contents. Use compressed driver to support
passthrough.

Change-Id: I01f9e4fa984a1f45d1f4de5250bed8f95d2a2dd0
Signed-off-by: Krishnankutty Kolathappilly <kkolat@codeaurora.org>
Signed-off-by: Banajit Goswami <bgoswami@codeaurora.org>