Added the missing definition of max channels for CA0110, which resulted
in an error at opening PCM devices.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Added the support for Creative SB X-Fi boards with UAA (HD-audio) mode.
In the HD-audio mode, no multiple streams are supported by just it
behaves like a normal HD-audio device.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>