staging: most: sound: use static name for ALSA card

This patch uses a static name for the sound card's short name and
long name. Having the card names configurable doesn't make sense
anymore, as the card represents the same physical hardware.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>