Revert "sound control: WCD9320: update speaker gain control for Z1"

This reverts commit 413fe4871577076ebbf121896c864f3e5afd857c.
Revert "sound control 3.x: Initial GPL release for WCD9320 Audio Codec"

This reverts commit 65ad2211d2b3fc04c02789a41077b9e1b51e0aa7.
Revert "Sound Control: WCD9320: expose additional controls"

This reverts commit 8673aae79c308d7f874539e971c7af2fb6e28458.
Defconfig: Update