[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>