usb: gadget: mv_u3d_core: remove unnecessary initializations

udc-core now sets dma-related and parent fields
for us, we don't need to do it ourselves.
Signed-off-by: NFelipe Balbi <balbi@ti.com>

drivers/usb/gadget/mv_u3d_core.c

@@ -1955,8 +1955,6 @@ static int mv_u3d_probe(struct platform_device *dev)
 	u3d->gadget.speed = USB_SPEED_UNKNOWN;	/* speed */
 
 	/* the "gadget" abstracts/virtualizes the controller */
-	u3d->gadget.dev.parent = &dev->dev;
-	u3d->gadget.dev.dma_mask = dev->dev.dma_mask;
 	u3d->gadget.dev.release = mv_u3d_gadget_release;
 	u3d->gadget.name = driver_name;		/* gadget name */