[ALSA] hda-codec - Add missing model names for ALC882 codecs

Added the missing model option strings for ALC882 codecs.
Also added the corresponding description in ALSA-Configuration.txt.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index b77df39..6b9311b 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -849,6 +849,9 @@
 	  3stack-dig	3-jack with SPDIF I/O
 	  6stack-dig	6-jack digital with SPDIF I/O
 	  arima		Arima W820Di1
+	  targa		Targa T8, MSI-1049 T8
+	  asus-a7j	ASUS A7J
+	  asus-a7m	ASUS A7M
 	  macpro	MacPro support
 	  mbp3		Macbook Pro rev3
 	  imac24	iMac 24'' with jack detection