usb: gadget: pxa27x_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/pxa27x_udc.c

@@ -2453,8 +2453,6 @@ static int pxa_udc_probe(struct platform_device *pdev)
 		goto err_map;
 	}
 
-	udc->gadget.dev.parent = &pdev->dev;
-	udc->gadget.dev.dma_mask = NULL;
 	udc->vbus_sensed = 0;
 
 	the_controller = udc;