static void stellaris_enet_unrealize(DeviceState *dev, Error **errp)
{
    stellaris_enet_state *s = STELLARIS_ENET(dev);

    memory_region_destroy(&s->mmio);
}
static void stellaris_enet_unrealize(DeviceState *dev, Error **errp)
{
    stellaris_enet_state *s = STELLARIS_ENET(dev);

    memory_region_destroy(&s->mmio);
}