usb: renesas_usbhs: delete unnecessary 'out of memory' messages

The memory subsystem has already had similar message for it.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/renesas_usbhs/common.c

@@ -505,10 +505,8 @@ static int usbhs_probe(struct platform_device *pdev)
 
 	/* usb private data */
 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
-	if (!priv) {
-		dev_err(&pdev->dev, "Could not allocate priv\n");
+	if (!priv)
 		return -ENOMEM;
-	}
 
 	priv->base = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(priv->base))