usb: dwc3: omap: Mark the interrupt handler as shared

On OMAPs, OTG events come on the same IRQ so we need to share
this IRQ with the OTG device driver.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 0142544..bde69fc 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -517,7 +517,7 @@
 	reg = dwc3_omap_readl(omap->base, USBOTGSS_SYSCONFIG);
 
 	ret = devm_request_threaded_irq(dev, omap->irq, dwc3_omap_interrupt,
-					dwc3_omap_interrupt_thread, 0,
+					dwc3_omap_interrupt_thread, IRQF_SHARED,
 					"dwc3-omap", omap);
 	if (ret) {
 		dev_err(dev, "failed to request IRQ #%d --> %d\n",