fdt_end_node
err |= fdt_end_node(root);
err |= fdt_end_node(fdt_out);
err |= fdt_end_node(fdt_out);
err |= fdt_end_node(fdt_out);
err |= fdt_end_node(fdt);
err |= fdt_end_node(fdt);
err |= fdt_end_node(fdt);
err |= fdt_end_node(fdt);
err = fdt_end_node(buf);
int fdt_end_node(void *fdt);