Revert "added kernel level Sound Control GPL interface (thanks to @faux123)"

This reverts commit 7fd604e808e639aa2aeaba0a7232a1a5180e02ea.
sound control 3.x: Initial GPL release for WCD9320 Audio Codec

This is first official GPL release based on my private implementation.

This release has been tested for xperia Z1 officially.  It may work
with other devices using the same WCD9320 Audio Codec as well, but not tested

Signed-off-by: Paul Reioux <reioux@gmail.com>
sound control: WCD9320: update speaker gain control for Z1

Signed-off-by: Paul Reioux <reioux@gmail.com>
decouple overclock & CPU bin selection
add dependency for OC Ultimate