[ALSA] hda-codec - Add auto-mute function to Sony VAIO with STAC9872

Added auto-mute function with HP jack to Sony VAIO laptop with STAC9872
codec.  The patch taken from ALSA bug#3275.

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