ville: add Speaker DMIC Stereo use case

Change-Id: Ief7e8be8a09e8878f16d8ac67b86e10caa983982
ville: create filesystems in init, not early-init

* /storage is created in init, meaning these commands fail in early-init

Change-Id: Idc48d4e476f9b08b820a43dd01c2be27842f8bfb