ASoC: simple-card: Cleanup __asoc_simple_card_dai_init() ret check

The ret parameter is always equal to zero till here.
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/generic/simple-card.c

@@ -25,7 +25,7 @@ static int __asoc_simple_card_dai_init(struct snd_soc_dai *dai,
 
 	daifmt |= set->fmt;
 
-	if (!ret && daifmt)
+	if (daifmt)
 		ret = snd_soc_dai_set_fmt(dai, daifmt);
 
 	if (ret == -ENOTSUPP) {