usb: gadget: pch_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/pch_udc.c

@@ -3193,8 +3193,6 @@ static int pch_udc_probe(struct pci_dev *pdev,
 	if (retval)
 		goto finished;
 
-	dev->gadget.dev.parent = &pdev->dev;
-	dev->gadget.dev.dma_mask = pdev->dev.dma_mask;
 	dev->gadget.dev.release = gadget_release;
 	dev->gadget.name = KBUILD_MODNAME;
 	dev->gadget.max_speed = USB_SPEED_HIGH;