[ALSA] hda-codec - Clevo M540JE, M550JE laptops (Nvidia MCP51 chipset, ALC883 codec)

We need to enable External Amplifier on this laptops. This patch basicly
adds laptop-eapd model to ALC883 codec.

Signed-off-by: Andrew L. Neporada <nepal@asplinux.ru>
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 e4255f6..8a254e2 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -822,6 +822,7 @@
 	  medion	Medion Laptops
 	  targa-dig	Targa/MSI
 	  targa-2ch-dig	Targs/MSI with 2-channel
+	  laptop-eapd   3-jack with SPDIF I/O and EAPD (Clevo M540JE, M550JE)
 	  auto		auto-config reading BIOS (default)
 
 	ALC861/660