ASoC: mediatek: mt8189: remove unnecessary NULL check

Smatch complains that the call to snd_soc_component_get_drvdata(component)
will dereference "component" so this NULL check is too late. The probe()
function will never be called with a NULL component pointer so just
delete the check.

Signed-off-by: Dan Carpenter <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

sound/soc/mediatek/mt8189/mt8189-afe-pcm.c

···
 {
 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 
-	if (component) {
-		/* enable clock for regcache get default value from hw */
-		pm_runtime_get_sync(afe->dev);
-		mtk_afe_add_sub_dai_control(component);
-		pm_runtime_put_sync(afe->dev);
-	}
+	/* enable clock for regcache get default value from hw */
+	pm_runtime_get_sync(afe->dev);
+	mtk_afe_add_sub_dai_control(component);
+	pm_runtime_put_sync(afe->dev);
 
 	return 0;
 }