[ALSA] hda-codec - Added ASUS A6

HDA Codec driver
Added ASUS A6 support for ALC880 codec.

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

sound/pci/hda/patch_realtek.c

@@ -1582,6 +1582,7 @@ static struct hda_board_config alc880_cfg_tbl[] = {
 	{ .pci_subvendor = 0x1043, .pci_subdevice = 0x1973, .config = ALC880_ASUS_DIG },
 	{ .pci_subvendor = 0x1043, .pci_subdevice = 0x19b3, .config = ALC880_ASUS_DIG },
 	{ .pci_subvendor = 0x1043, .pci_subdevice = 0x1113, .config = ALC880_ASUS_DIG },
+	{ .pci_subvendor = 0x1043, .pci_subdevice = 0x1173, .config = ALC880_ASUS_DIG },
 	{ .pci_subvendor = 0x1043, .pci_subdevice = 0x1993, .config = ALC880_ASUS },
 	{ .pci_subvendor = 0x1043, .pci_subdevice = 0x10c3, .config = ALC880_ASUS_DIG },
 	{ .pci_subvendor = 0x1043, .pci_subdevice = 0x1133, .config = ALC880_ASUS },