Revert "Revert TARGET_ENABLE_QC_AV_ENHANCEMENTS"

This reverts commit ec0e2fa33c6941fd8edb4af37574171d51fbcb1b.

Change-Id: Ib560cbb2a6ca221de0fbd0c37ccab54721137d5a
Symlinks: Add wcd9310 and consolidate WCNSS into same make file

Change-Id: I7609c4cbd4288325ce22c90258f68ee4c5b92f11
Merge remote-tracking branch 'upstream/cm-10.2' into cm-10.2