ALSA: hda/ca0132 - Add ZxR DSP post-download commands

This patch adds commands for setting up the ZxR after the DSP is
downloaded. The ZxR already shares most of the post-download commands
from the regular Sound Blaster Z.

Signed-off-by: Connor McAdams <conmanx360@gmail.com>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>