asoc: qcs405: add A2DP sink support in machine driver

Add support to configure sample rate for SLIM_9_TX.

Change-Id: Icea2b7c707840be60a23707947c9811e83e4789d
Signed-off-by: Florian Pfister <fpfister@codeaurora.org>
Signed-off-by: Surendar Karka <skarka@codeaurora.org>