ALSA: hda - Add model=ref for Intel board with STAC9221

An intel board (8086:0204) works only with model=ref.

Reference: Novell bug #406529
	https://bugzilla.novell.com/show_bug.cgi?id=406529

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 3fbe220..4ee9f7f 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -2056,6 +2056,9 @@
 		      "Intel D945P", STAC_D945GTP3),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_INTEL, 0x0707,
 		      "Intel D945P", STAC_D945GTP5),
+	/* other intel */
+	SND_PCI_QUIRK(PCI_VENDOR_ID_INTEL, 0x0204,
+		      "Intel D945", STAC_D945_REF),
 	/* other systems  */
 	/* Apple Intel Mac (Mac Mini, MacBook, MacBook Pro...) */
 	SND_PCI_QUIRK(0x8384, 0x7680,