ALSA: hda - Add model=mbp55 entry for MacBookPro 7,1

Reference: Novell bnc#645066
	https://bugzilla.novell.com/show_bug.cgi?id=645066Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_cirrus.c

@@ -1140,6 +1140,7 @@ static const char *cs420x_models[CS420X_MODELS] = {
 static struct snd_pci_quirk cs420x_cfg_tbl[] = {
 	SND_PCI_QUIRK(0x10de, 0x0ac0, "MacBookPro 5,3", CS420X_MBP53),
 	SND_PCI_QUIRK(0x10de, 0xcb79, "MacBookPro 5,5", CS420X_MBP55),
+	SND_PCI_QUIRK(0x10de, 0xcb89, "MacBookPro 7,1", CS420X_MBP55),
 	SND_PCI_QUIRK(0x8086, 0x7270, "IMac 27 Inch", CS420X_IMAC27),
 	{} /* terminator */
 };