ALSA: hda - Fix auto-parser of ALC269vb for HP pin NID 0x21

ALC269vb has an alternative HP pin 0x21 in addition.
Fix the parser to recognize it.

Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_realtek.c

@@ -12869,6 +12869,7 @@ static int alc268_new_analog_output(struct alc_spec *spec, hda_nid_t nid,
 		dac = 0x02;
 		break;
 	case 0x15:
+	case 0x21: /* ALC269vb has this pin, too */
 		dac = 0x03;
 		break;
 	default: