[ALSA] hda-codec - Add support for LG S1 laptop

Added the model entry for LG S1 laptop.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index cf6c100..6876094 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2174,6 +2174,7 @@
 
 	{ .modelname = "lg", .config = ALC880_LG },
 	{ .pci_subvendor = 0x1854, .pci_subdevice = 0x003b, .config = ALC880_LG },
+	{ .pci_subvendor = 0x1854, .pci_subdevice = 0x0068, .config = ALC880_LG },
 
 	{ .modelname = "lg-lw", .config = ALC880_LG_LW },
 	{ .pci_subvendor = 0x1854, .pci_subdevice = 0x0018, .config = ALC880_LG_LW },