gpio: moxart: remove redundant dev_err call in moxart_gpio_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: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-moxart.c

@@ -121,11 +121,8 @@ static int moxart_gpio_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	mgc->base = devm_ioremap_resource(dev, res);
-	if (IS_ERR(mgc->base)) {
-		dev_err(dev, "%s: devm_ioremap_resource res_gpio failed\n",
-			dev->of_node->full_name);
+	if (IS_ERR(mgc->base))
 		return PTR_ERR(mgc->base);
-	}
 
 	mgc->gpio.dev = dev;