[ALSA] hda-codec - Fix Master volume on HP dv8000

HP dv8000 laptop has a problem with Master volume.  It's due to the
connection of the widget 0x13.  When it's connected from the analog
amp mixer (0x19), it works as expected mysteriously (ALSA bug#3775):
	https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3775

Signed-off-by: Takashi Iwai <tiwai@suse.de>