ASoC: zte: zx-spdif: remove redundant dev_err message

devm_ioremap_resource has already contains error message, so remove
the redundant dev_err message
Signed-off-by: Ntangbin <tangbin@cmss.chinamobile.com>
Link: https://lore.kernel.org/r/20200227150701.15652-1-tangbin@cmss.chinamobile.comSigned-off-by: NMark Brown <broonie@kernel.org>

sound/soc/zte/zx-spdif.c

@@ -322,7 +322,6 @@ static int zx_spdif_probe(struct platform_device *pdev)
 	zx_spdif->mapbase = res->start;
 	zx_spdif->reg_base = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(zx_spdif->reg_base)) {
-		dev_err(&pdev->dev, "ioremap failed!\n");
 		return PTR_ERR(zx_spdif->reg_base);
 	}