[ALSA] hda-codec - Add support for HP Spartan

Added the model for HP Spartan with Conexant codec chip.
From: Claudio Matsuoka <cmatsuoka@gmail.com>

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>