Use DeviceClass::realize() and TypeInfo::instance_init() instead of
the deprecated SysBusDevice::init().
Signed-off-by: NAlistair Francis <alistair.francis@xilinx.com>
Reviewed-by: NPeter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: NAndreas Färber <afaerber@suse.de>