[ALSA] hda - Add Toshiba dynabook SS RX1 support

I have Toshiba dynabook SS RX1 and this patch adds that support.

Signed-off-by: Akio Idehara <zbe64533@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>