[ALSA] hda-codec - Fix model for ASUS M2N-MX

Add a proper model (3stack) for ASUS M2N-MX with AD1986A codec.

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