fix-ups
git revert Revert "Sound Control: Added headphone poweramp controls"

This reverts commit fd671d3a64410b563234d9c9f24e2278b6b3d11f.
Revert "Sound Control: Updated for HTC One (m7)"

This reverts commit 9a413584a3ce07187718346dac1d9aa10524c6f5.
Revert "Sound Control: Sound control for WCD93xx codec"

This reverts commit 39620df9da3bff100a1dcdc6be32f17355c21090.