usb: gadget: goku_udc: 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: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/goku_udc.c

@@ -1754,8 +1754,6 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	dev->gadget.max_speed = USB_SPEED_FULL;
 
 	/* the "gadget" abstracts/virtualizes the controller */
-	dev->gadget.dev.parent = &pdev->dev;
-	dev->gadget.dev.dma_mask = pdev->dev.dma_mask;
 	dev->gadget.dev.release = gadget_release;
 	dev->gadget.name = driver_name;