usb: gadget: mv_udc: set unused endpoint with right type

According to the comment right above the code, we should use
USB_ENDPOINT_XFER_BULK instead.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/mv_udc_core.c

@@ -590,14 +590,14 @@ static int mv_ep_enable(struct usb_ep *_ep,
 	 */
 	epctrlx = readl(&udc->op_regs->epctrlx[ep->ep_num]);
 	if ((epctrlx & EPCTRL_RX_ENABLE) == 0) {
-		epctrlx |= ((desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
+		epctrlx |= (USB_ENDPOINT_XFER_BULK
 				<< EPCTRL_RX_EP_TYPE_SHIFT);
 		writel(epctrlx, &udc->op_regs->epctrlx[ep->ep_num]);
 	}
 
 	epctrlx = readl(&udc->op_regs->epctrlx[ep->ep_num]);
 	if ((epctrlx & EPCTRL_TX_ENABLE) == 0) {
-		epctrlx |= ((desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
+		epctrlx |= (USB_ENDPOINT_XFER_BULK
 				<< EPCTRL_TX_EP_TYPE_SHIFT);
 		writel(epctrlx, &udc->op_regs->epctrlx[ep->ep_num]);
 	}