usb: gadget: udc: atmel: remove unnecessary & operation

Now that usb_endpoint_maxp() only returns the lowest
11 bits from wMaxPacketSize, we can remove the &
operation from this driver.
Acked-by: NNicolas Ferre <nicolas.ferre@atmel.com>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: NFelipe Balbi <felipe.balbi@linux.intel.com>

drivers/usb/gadget/udc/atmel_usba_udc.c

@@ -529,7 +529,7 @@ usba_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
 
 	DBG(DBG_GADGET, "%s: ep_enable: desc=%p\n", ep->ep.name, desc);
 
-	maxpacket = usb_endpoint_maxp(desc) & 0x7ff;
+	maxpacket = usb_endpoint_maxp(desc);
 
 	if (((desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK) != ep->index)
 			|| ep->index == 0