cmi8788: add alsa-lib config
cmi8788: add alsa-lib config

Add a .conf file to enable dmix/dsnoop and softvol for CMI8788.

Using dmix helps mask the bug that all audio is forced to 48 kHz. :-)

Distrotech/alsa-lib,zedongchen/alsa-lib,mengdonglin/alsa-lib,gittup/alsa-lib,alsa-project/alsa-lib,takaswie/alsa-lib,Distrotech/alsa-lib,mikelima/alsa-lib,mengdonglin/alsa-lib,zedongchen/alsa-lib,alsa-project/alsa-lib,tiwai/alsa-lib,lgirdwood/alsa-lib,mikelima/alsa-lib,mikelima/alsa-lib,mengdonglin/alsa-lib,zedongchen/alsa-lib,mikelima/alsa-lib,mengdonglin/alsa-lib,takaswie/alsa-lib,gittup/alsa-lib,gittup/alsa-lib,zedongchen/alsa-lib,takaswie/alsa-lib,alsa-project/alsa-lib,mengdonglin/alsa-lib,lgirdwood/alsa-lib,Distrotech/alsa-lib,tiwai/alsa-lib,lgirdwood/alsa-lib,zedongchen/alsa-lib,alsa-project/alsa-lib,lgirdwood/alsa-lib,mikelima/alsa-lib,lgirdwood/alsa-lib,Distrotech/alsa-lib,tiwai/alsa-lib,gittup/alsa-lib,takaswie/alsa-lib,tiwai/alsa-lib,Distrotech/alsa-lib,takaswie/alsa-lib