usb: gadget: mv_udc_core: Remove unneeded condition

The removed condition is always true, since the endpoint descriptor is
set prior to calling the enable endpoint.
Signed-off-by: NIdo Shayevitz <idos@codeaurora.org>
Acked-by: NYu Xu <yuxu@marvell.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

drivers/usb/gadget/mv_udc_core.c

@@ -464,7 +464,7 @@ static int mv_ep_enable(struct usb_ep *_ep,
 	ep = container_of(_ep, struct mv_ep, ep);
 	udc = ep->udc;
 
-	if (!_ep || !desc || ep->ep.desc
+	if (!_ep || !desc
 			|| desc->bDescriptorType != USB_DT_ENDPOINT)
 		return -EINVAL;