[ALSA] Add missing model for HD-audio Cx5045 codec

Added the description of the model fujitsu for Cx5045 codec chip.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 99b39c8..bbe4b7c 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -946,6 +946,7 @@
 	
 	Conexant 5045
 	  laptop	Laptop config 
+	  fujitsu	Fujitsu Si1520 laptop
 	  test		for testing/debugging purpose, almost all controls
 			can be adjusted.  Appearing only when compiled with
 			$CONFIG_SND_DEBUG=y