ucm2: USB-Audio: Add support for Lenovo ThinkStation P620 Rear Audio

[GitHub pull_request - opened]

alsa-project/alsa-ucm-conf pull request #50 was opened from khfeng:

Add proper PCM assignment to Lenovo ThinkStation P620 Rear Audio.

Signed-off-by: Kai-Heng Feng <kai.heng.feng at canonical.com>

Request URL   : https://github.com/alsa-project/alsa-ucm-conf/pull/50
Patch URL     : https://github.com/alsa-project/alsa-ucm-conf/pull/50.patch
Repository URL: https://github.com/alsa-project/alsa-ucm-conf