fbdev: imxfb: Remove redundant dev_err() call

devm_ioremap_resource() prints error message in itself. Remove the
dev_err call to avoid redundant error message.
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Signed-off-by: Helge Deller <deller@gmx.de>

drivers/video/fbdev/imxfb.c

@@ -972,7 +972,6 @@ static int imxfb_probe(struct platform_device *pdev)
 
 	fbi->regs = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(fbi->regs)) {
-		dev_err(&pdev->dev, "Cannot map frame buffer registers\n");
 		ret = PTR_ERR(fbi->regs);
 		goto failed_ioremap;
 	}