ucm2: Sync Librem 5 config with Purism's downstream one

alsa-project/alsa-ucm-conf pull request #347 was opened from Newbytee:

The config currently in this repo has several issues. The Purism downstream one resolves these.

Taken from https://source.puri.sm/Librem5/librem5-base, commit f5b51beb144f76ef3bc483b74e19867bd6364d32

Request URL : https://github.com/alsa-project/alsa-ucm-conf/pull/347 Patch URL : https://github.com/alsa-project/alsa-ucm-conf/pull/347.patch Repository URL: https://github.com/alsa-project/alsa-ucm-conf