Add UCM2 configuration for Topping DX3 Pro+

alsa-project/alsa-ucm-conf pull request #362 was opened from ZVNexus:

Fixes it showing up as "digital" and "analog" output in Settings, should just be "Headphones".

Request URL : https://github.com/alsa-project/alsa-ucm-conf/pull/362 Patch URL : https://github.com/alsa-project/alsa-ucm-conf/pull/362.patch Repository URL: https://github.com/alsa-project/alsa-ucm-conf