net: davinci_mdio: Convert pr_err() to dev_err() call

Convert the lone pr_err() to dev_err() call.
Signed-off-by: George Cherian <george.cherian@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/ti/davinci_mdio.c

@@ -303,7 +303,7 @@ static int davinci_mdio_probe_dt(struct mdio_platform_data *data,
 		return -EINVAL;
 
 	if (of_property_read_u32(node, "bus_freq", &prop)) {
-		pr_err("Missing bus_freq property in the DT.\n");
+		dev_err(&pdev->dev, "Missing bus_freq property in the DT.\n");
 		return -EINVAL;
 	}
 	data->bus_freq = prop;