ASoC: wm_adsp: Fix event for preloader

The preloader controls on ADSP should return a value of 1 if the
preloader value was changed, update to correct this.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220621102041.1713504-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/wm_adsp.c

@@ -997,7 +997,7 @@ int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol,
 		snd_soc_dapm_sync(dapm);
 	}
 
-	return 0;
+	return 1;
 }
 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put);