ucm2: sof-soundwire: add rt721 ucm support

alsa-project/alsa-ucm-conf pull request #600 was opened from jack-cy-yu:

Add support for rt721's UCM.

Request URL : https://github.com/alsa-project/alsa-ucm-conf/pull/600 Patch URL : https://github.com/alsa-project/alsa-ucm-conf/pull/600.patch Repository URL: https://github.com/alsa-project/alsa-ucm-conf