wm8994: clean up of audio files.

Change-Id: I10326e6ac0c3419021664ad9a62289a882fe3341

Conflicts:
	sound/soc/codecs/wm8994.c
wm8994:  Bring back pm_runtime

-Fix up issues with pm_runtime
-Added in check to ensure wm8958 regulator doesn't try and
 disable if already disabled

Change-Id: Ic681eebe82a587d1c5ae9d27ccb95f9065ccccbe

Conflicts:
	arch/arm/mach-msm/hp/tenderloin/display/board-tenderloin-panel.c
TSENS8x60:  Inital and activate in tenderloin

Change-Id: I0af472a98df25069ff971c772954263ce6a2f098