usb: gadget: xudc: Remove redundant platform_get_irq error message

platform_get_irq() will call dev_err() itself on failure,
so there is no need for the driver to also do this.
This is detected by coccinelle.
Acked-by: NThierry Reding <treding@nvidia.com>
Reviewed-by: NNagarjuna Kristam <nkristam@nvidia.com>
Signed-off-by: NYueHaibing <yuehaibing@huawei.com>
Signed-off-by: NFelipe Balbi <balbi@kernel.org>

drivers/usb/gadget/udc/tegra-xudc.c

@@ -3492,11 +3492,8 @@ static int tegra_xudc_probe(struct platform_device *pdev)
 	}
 
 	xudc->irq = platform_get_irq(pdev, 0);
-	if (xudc->irq < 0) {
-		dev_err(xudc->dev, "failed to get IRQ: %d\n",
-				xudc->irq);
+	if (xudc->irq < 0)
 		return xudc->irq;
-	}
 
 	err = devm_request_irq(&pdev->dev, xudc->irq, tegra_xudc_irq, 0,
 			       dev_name(&pdev->dev), xudc);