net: stmmac: dwc-qos: Switch to use dev_err_probe() helper

dev_err() can be replace with dev_err_probe() which will check if error
code is -EPROBE_DEFER.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c

@@ -445,9 +445,7 @@ static int dwc_eth_dwmac_probe(struct platform_device *pdev)
 
 	ret = data->probe(pdev, plat_dat, &stmmac_res);
 	if (ret < 0) {
-		if (ret != -EPROBE_DEFER)
-			dev_err(&pdev->dev, "failed to probe subdriver: %d\n",
-				ret);
+		dev_err_probe(&pdev->dev, ret, "failed to probe subdriver\n");
 
 		goto remove_config;
 	}