usb: gadget: dummy_hcd: fix unneeded else-if condition

We already know at this point that to_host is false.
Signed-off-by: Igor Kotrasinski <i.kotrasinsk@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/udc/dummy_hcd.c

@@ -1421,7 +1421,7 @@ static int transfer(struct dummy_hcd *dum_hcd, struct urb *urb,
 					*status = -EOVERFLOW;
 				else
 					*status = 0;
-			} else if (!to_host) {
+			} else {
 				*status = 0;
 				if (host_len > dev_len)
 					req->req.status = -EOVERFLOW;