Audio driver changes for FP4

This is a squash commit of incremental audio driver bringup for FP4.

Drop changes for asoc/bengal.c, as they are not used in the FP4 build.

Issue: ALM:10872983
Issue: ALM:10277819
Issue: FP4-92
Issue: FP4-99
Issue: FP4-INT#2
Change-Id: I7bd371cad1402ed4fa26ccdfdef18c1907df57da
7 files changed