configs: Add SVA support for sdm660 internal codec

Add SVA mixer path xml support for sdm660 internal codec.
Rename sdm660 tasha xml file instead of using default mixer path
xml. Internal codec will use default mixer path xml.
Set proper default values in existing internal codec
mixer paths xml.

Change-Id: I9a9cdaf7f229a76438c5b22679493317bb56054e
4 files changed