ALSA: hda - Add ASUS V1Sn support

Asus V1s series laptops have an ALC660VD with PCI id: 0x1043, 0x1633.
1.) remove the previous behaviour of mapping that to the ALC861VD_LENOVO
    device.
2.) add a new ALC660VD_V1S device based on ALC861VD_LENOVO, with an
    added digital out.

Signed-off-by: Tristan Aston <astrotris@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>