ALSA: hda: hda_cs_dsp_ctl: Ensure pwr_lock is held before reading/writing controls

These apis require the pwr_lock to be held.

Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20221011143552.621792-3-sbinding@opensource.cirrus.com


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