ALSA: hda/ca0132 - Merge post-dsp functions + cleanup

This patch cleans up some of the formatting of the post-dsp load setup
functions, and also merges some of the sub functions into individual
ones.

Signed-off-by: Connor McAdams <conmanx360@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>