[ALSA] hda-codec - Add support for the ASRock K8NF6G-VSTA motherboard

This patch adds ALC861VD support for the ASRock K8NF6G-VSTA motherboard.

Signed-off-by: Tobin Davis <tdavis@dsl-only.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>