ICE1712: add surround71 pcm definition
ICE1712: add surround71 pcm definition

The M-Audio Delta 1010 card has 7.1 analog output, but no ready-made pcm
definition to use it.

Signed-off-by: Alexander E. Patrakov <2130f17e481610f5a98bd3cfb36c768f22102b70@gmail.com>
Reported-and-tested-by: Matt Zagrabelny <543fb1a2cf76a7cdc5ad2a562b09d9fc069ee720@d.umn.edu>
Signed-off-by: Takashi Iwai <4596b3305151c7ee743192a95d394341e3d3b644@suse.de>

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