ALSA: HDA: Fix single internal mic on ALC275 (Sony Vaio VPCSB1C5E)

In cases where there is only one internal mic connected to ADC 0x11,
alc275_setup_dual_adc won't handle the case, so we need to add the
ADC node to the array of candidates.

Cc: stable@kernel.org
BugLink: http://bugs.launchpad.net/bugs/752792
Reported-by: Vincenzo Pii
Signed-off-by: NDavid Henningsson <david.henningsson@canonical.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_realtek.c

@@ -14124,7 +14124,7 @@ static hda_nid_t alc269vb_capsrc_nids[1] = {
 };
 
 static hda_nid_t alc269_adc_candidates[] = {
-	0x08, 0x09, 0x07,
+	0x08, 0x09, 0x07, 0x11,
 };
 
 #define alc269_modes		alc260_modes