[ALSA] intel8x0 - Add quirk for Acer Travelmate 2310

Added ac97_quirk=hp-only for Acer Travelmate 2310.
ALSA bug#3656
	https://bugtrack.alsa-project.org/alsa-bug/view.php?id=3656

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