Added the support for ASUS A7M with ALC882 codec.
It's slightly different from ASUS A7J.
The patch taken from ALSA bug#3000
	https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3000Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@suse.cz>