asoc: lpass-cdc: Update path_gain common for RX/WSA
In unified compander design, path gain for rx and
wsa macros vary. Update common logic to use
and derive required path_gain setting for respective
macros.
Change-Id: I64dcb4e36a703e8effd069d2c68b7045920a77b0
Signed-off-by: Laxminath Kasam <[email protected]>