ALSA: ca0106 - Add quirk for GA-G1975X mobo

Giga-byte GA-G1975X mobo has a CA0106 on-board chip.
Reference: bnc#395807
	https://bugzilla.novell.com/show_bug.cgi?id=395807



Signed-off-by: Takashi Iwai <tiwai@suse.de>