msm: qdsp5v2: Convert all audio devices to ION.

Forward ported from qdsp5.

Change-Id: I1480b6dc2935b85ad0543ee5b3f7ff4912c12f34
msm: qdsp5v2: Minor code sync.

Change-Id: I1210c8210db8e549eed40891189d4b4f6b66cb98