g2-common: fix audio lockups[SQUASHED]

Revert "msm8974: Enable new mixer for offload"

This reverts commit f314162d6824d49189e98c8a48e2a38d2b745a09

Change-Id: I72bc419d0e6e9f620300209c9437097780cd9e86

Revert "msm8974: Enable deep buffer output as primary"

This reverts commit 46a37b0628fab3c0265e090cfb9c2cdeb16c2e31

Change-Id: I7cc421dadbf7d0ab20a792ef3b7ee9f4da5b535c