ucm2: sof-soundwire: add rt712-vb device

alsa-project/alsa-ucm-conf pull request #573 was opened from shumingfan:

This patch supports RT712VB device integrated with DMIC in one Soundwire interface.

Request URL : https://github.com/alsa-project/alsa-ucm-conf/pull/573 Patch URL : https://github.com/alsa-project/alsa-ucm-conf/pull/573.patch Repository URL: https://github.com/alsa-project/alsa-ucm-conf