ALSA: hda: cs35l41: Correct error condition handling

Function cs_dsp_coeff_write_ctrl() can return 3 possible values:
0 - no change, 1 - value has changed and -1 - error, so positive value
is not an error.
Fixes: 7406bdbc ("ASoC: wm_adsp: Return whether changed when writing controls")

Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230213145008.1215849-2-sbinding@opensource.cirrus.com


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