usb: host: ehci-tegra: Remove superfluous dev_err() message

The platform_get_irq() can print error message,so remove the redundant
dev_err() here.
Signed-off-by: NTang Bin <tangbin@cmss.chinamobile.com>
Acked-by: NThierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20200406055530.10860-1-tangbin@cmss.chinamobile.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ehci-tegra.c

@@ -480,7 +480,6 @@ static int tegra_ehci_probe(struct platform_device *pdev)
 
 	irq = platform_get_irq(pdev, 0);
 	if (!irq) {
-		dev_err(&pdev->dev, "Failed to get IRQ\n");
 		err = -ENODEV;
 		goto cleanup_phy;
 	}