usb: gadget: dummy_hcd: set value for common is_selfpowered

Set value for common is_selfpowered.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/udc/dummy_hcd.c

@@ -802,6 +802,7 @@ static int dummy_set_selfpowered(struct usb_gadget *_gadget, int value)
 {
 	struct dummy	*dum;
 
+	_gadget->is_selfpowered = (value != 0);
 	dum = gadget_to_dummy_hcd(_gadget)->dum;
 	if (value)
 		dum->devstatus |= (1 << USB_DEVICE_SELF_POWERED);