usb: dwc2: eliminate irq parameter from dwc2_hcd_init

The irq is available in hsotg already, so there's no need to
pass it as separate function parameter.

Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
diff --git a/drivers/usb/dwc2/hcd.h b/drivers/usb/dwc2/hcd.h
index 58bfe9f..11c3c14 100644
--- a/drivers/usb/dwc2/hcd.h
+++ b/drivers/usb/dwc2/hcd.h
@@ -521,7 +521,7 @@ static inline u8 dwc2_hcd_is_pipe_out(struct dwc2_hcd_pipe_info *pipe)
 	return !dwc2_hcd_is_pipe_in(pipe);
 }
 
-int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq);
+int dwc2_hcd_init(struct dwc2_hsotg *hsotg);
 void dwc2_hcd_remove(struct dwc2_hsotg *hsotg);
 
 /* Transaction Execution Functions */