USB: UDC: net2280: Remove redundant "if" condition

The net2280 driver includes an unnecessary test for an endpoint's
queue being empty.  The test is redundant; it sits inside a
conditional block of an "if" statement which already tests the
endpoint's queue.

This patch removes the redundant test.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

drivers/usb/gadget/udc/net2280.c

@@ -1058,7 +1058,7 @@ net2280_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
 			/* PIO ... stuff the fifo, or unblock it.  */
 			if (ep->is_in)
 				write_fifo(ep, _req);
-			else if (list_empty(&ep->queue)) {
+			else {
 				u32	s;
 
 				/* OUT FIFO might have packet(s) buffered */