[ALSA] hda-codec - Add support for Sony Vaio VGN-A790 laptop

Added the model entry for Sony Vaio VGN-A790 laptop with ALC260 codec.
From: Kenneth Crudup <kenny@panix.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_realtek.c

@@ -3822,6 +3822,8 @@ static struct hda_board_config alc260_cfg_tbl[] = {
 	{ .modelname = "basic", .config = ALC260_BASIC },
 	{ .pci_subvendor = 0x104d, .pci_subdevice = 0x81bb,
 	  .config = ALC260_BASIC }, /* Sony VAIO */
+	{ .pci_subvendor = 0x104d, .pci_subdevice = 0x81cd,
+	  .config = ALC260_BASIC }, /* Sony VAIO */
 	{ .pci_subvendor = 0x152d, .pci_subdevice = 0x0729,
 	  .config = ALC260_BASIC }, /* CTL Travel Master U553W */
 	{ .modelname = "hp", .config = ALC260_HP },