image: add ALSA ucm profile for Genio 1200 and NIO-12L
Add the ALSA ucm profile for Genio 1200 and NIO-12L to the Debian image using an overlay.
To be removed when the MR adding this profile is merged in alsa-ucm-conf upstream: https://github.com/alsa-project/alsa-ucm-conf/pull/549