ALSA: hda/ca0132 - Use snd_hda_set_pin_ctl() helper again

The recent update of ca0132 driver replaced the pinctl setup to the
direct write via snd_hda_codec_write() again.  This should be covered
by snd_hda_set_pin_ctl() to be safer.

Signed-off-by: Takashi Iwai <tiwai@suse.de>