ASoC: msm: qdsp6: Add APIs for compressed audio playback/capture

Add APIs for compressed audio playback/capture in pass through mode

Change-Id: Ic9b4c71b518e653dae4726112edb75025ccc2bc2
Signed-off-by: Santosh Mardi <gsantosh@codeaurora.org>

Conflicts:

	include/sound/q6asm.h
	sound/soc/msm/qdsp6/q6asm.c