ASoC: fsl_spdif: remove redundant dev_err call in fsl_spdif_probe()

There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
index a9798aa..e93dc0d 100644
--- a/sound/soc/fsl/fsl_spdif.c
+++ b/sound/soc/fsl/fsl_spdif.c
@@ -1113,10 +1113,8 @@
 	}
 
 	regs = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(regs)) {
-		dev_err(&pdev->dev, "could not map device resources\n");
+	if (IS_ERR(regs))
 		return PTR_ERR(regs);
-	}
 
 	spdif_priv->regmap = devm_regmap_init_mmio_clk(&pdev->dev,
 			"core", regs, &fsl_spdif_regmap_config);