Sound Control: expose direct register manipulations to userspace

bump driver version to 3.3

Change-Id: Ia9d45cb6d0b0c28083c08b67b9793fe846aafc1a
Signed-off-by: Paul Reioux <reioux@gmail.com>
Sound Control: Misc clean up for newer WCD9xxx SOCs

Bump driver version to 3.4

Change-Id: Id13d4f0173d727c8be64d68b0a98a407dfafce84
Signed-off-by: Paul Reioux <reioux@gmail.com>
Sound Control: let register lock be dependent on different hw revisions

Change-Id: I2847142b9fa742006f72b055bd5271a8de53620e
Signed-off-by: Paul Reioux <reioux@gmail.com>
Sound Control: separate locking mechanism for recording and playback

with newer hardware revisions coming from Qualcomm, single register lock
control isn't sufficient to cover both playback and recording usage scenarios

bump to version 3.5

Change-Id: I9c52a2183e217516c84b67c094934a107a4c5ee8
Signed-off-by: Paul Reioux <reioux@gmail.com>