Sound Control: WCD9320: expose additional controls

Signed-off-by: Paul Reioux <reioux@gmail.com>
sound control 3.x: Initial GPL release for WCD9320 Audio Codec

Change-Id: I31380fad077d71224002fe3d8daec7d480bf0bc1
sound control: WCD9320: update speaker gain control for Z1

Signed-off-by: Paul Reioux <reioux@gmail.com>
Sound Control: (OPTIONAL) add power amp registers access control as well

Change-Id: Id79991261e57380ba037f5164af28e8dbe6847a1
scripts: remove localversion + from kernel version strings

Change-Id: I63776373fba83be1e32ada19eabfcc63f6a37dd7