[ALSA] hda-codec - Add support of AD1883/1884A/1984A/1984B

Added the support of new AD codecs: AD1883, AD1884A, AD1984A and AD1984B.
These are almost compatible except for additional digital pins, etc.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 9a56b9b..bfc6d48 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -912,6 +912,10 @@
 	  3stack	3-stack mode (default)
 	  6stack	6-stack mode
 
+	AD1884A / AD1883 / AD1984A / AD1984B
+	  desktop	3-stack desktop (default)
+	  laptop	laptop with HP jack sensing
+
 	AD1884
 	  N/A