ALSA: hda - Check model type instead of SSID in patch_92hd71bxx()

Check board preset model instead of codec->subsystem_id in
patch_92hd71bxx() so that other hardwares configured via the model
option work like the given model.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_sigmatel.c

@@ -4488,8 +4488,8 @@ again:
 		codec->slave_dig_outs = stac92hd71bxx_slave_dig_outs;
 		break;
 	case 0x111d7608: /* 5 Port with Analog Mixer */
-		switch (codec->subsystem_id) {
-		case 0x103c361a:
+		switch (spec->board_config) {
+		case STAC_HP_M4:
 			/* Enable VREF power saving on GPIO1 detect */
 			snd_hda_codec_write(codec, codec->afg, 0,
 				AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK, 0x02);