ALSA: hda - Add missing COEF initialization for ALC887

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 ac1a6e7..ae5c8a0 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -1066,6 +1066,7 @@
 		case 0x10ec0882:
 		case 0x10ec0883:
 		case 0x10ec0885:
+		case 0x10ec0887:
 		case 0x10ec0889:
 			snd_hda_codec_write(codec, 0x20, 0,
 					    AC_VERB_SET_COEF_INDEX, 7);