[ALSA] hda-codec - Add support for LG LW25 laptop

Added the support for LG LW25 laptop with ALC880 codec.
It's the same codec model as LG LW20 (model=lg-lw).

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>