configs: sdm660/630: Update mixer paths for SDM630 internal codec

In SDM630 RCM internal codec uses WSA speaker. Update
the mixer controls of WSA to use correct RX chains and mute/gain controls.
Also update IIR sidetone fix for codec sidetone to take effect.

CRs-Fixed: 2025453
Change-Id: Idbc75412f48a1b6402161e2dc19ee95a6e12176b
1 file changed