asoc: codecs: add support to disable soundwire devices

Add changes to support disabling of soundwire devices
so that soundwire pins can be freed for other purposes
if needed.

Change-Id: Iae14d43c2c3d5380347be4c3b443c209b2612a97
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>