hal: Add support for parsing hdmi edid information

Add support for parsing hdmi edid data and setting channel map
to asm
Parse edid data on hdmi connection and invalidat on disconnection.
Fix audio playback errors on HDMI when source channel count is
greater than sink channel count for offload playback.

Change-Id: I1e0a8335611a87974cb273431659938a0b345e68