usb: host: ohci-omap: propagate errors from platform_get_irq()

The driver overrides the error codes returned by platform_get_irq() to
-ENXIO for some strange reason.  Switch to propagating the error codes
upstream.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/20211214204247.7172-5-s.shtylyov@omp.ruSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ohci-omap.c

@@ -306,7 +306,7 @@ static int ohci_hcd_omap_probe(struct platform_device *pdev)
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
-		retval = -ENXIO;
+		retval = irq;
 		goto err3;
 	}
 	retval = usb_add_hcd(hcd, irq, 0);