usb: dwc3: gadget: remove trailing semicolon

That semicolon doesn't do anything, it's not
needed and should be removed.
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/dwc3/gadget.c

@@ -1032,7 +1032,7 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
 			dev_dbg(dwc->dev, "%s: failed to kick transfers\n",
 					dep->name);
 		}
-	};
+	}
 
 	return 0;
 }