ALSA: hda: add AMD Stoney PCI ID with proper driver caps

commit d716fb03 upstream.

This allows the device to correctly show up as ATI HDMI
rather than a generic one and allows the driver to use
the available caps.

Signed-off-by: Awais Belal <awais_belal@mentor.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>