def METHOD_NAME(cls, disk, disk_name, creator, workdir, oe_builddir,
                    bootimg_dir, kernel_dir, native_sysroot):
    """
    Called after all partitions have been prepared and assembled into a
    disk image.  This provides a hook to allow finalization of a
    disk image e.g. to write an MBR to it.
    """
    logger.debug("SourcePlugin: do_install_disk: disk: %s", disk_name)