usb: chipidea: udc: remove unnecessary & operation

Now that usb_endpoint_maxp() only returns the lowest
11 bits from wMaxPacketSize, we can remove the &
operation from this driver.

Cc: Peter Chen <Peter.Chen@nxp.com>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

drivers/usb/chipidea/udc.c

@@ -1253,7 +1253,7 @@ static int ep_enable(struct usb_ep *ep,
 	hwep->num  = usb_endpoint_num(desc);
 	hwep->type = usb_endpoint_type(desc);
 
-	hwep->ep.maxpacket = usb_endpoint_maxp(desc) & 0x07ff;
+	hwep->ep.maxpacket = usb_endpoint_maxp(desc);
 	hwep->ep.mult = usb_endpoint_maxp_mult(desc);
 
 	if (hwep->type == USB_ENDPOINT_XFER_CONTROL)