The factory firmware omits the JFFS2 end-marker while flashing via
web-interface. Add a 64k padding after the marker fixes this problem.
When the end-marker is not present, OpenWRT won't save the overlayfs
after initial flash.
Reported-by: Andreas Ziegler <dev@andreas-ziegler.de>
Signed-off-by: David Bauer <mail@david-bauer.net>
a4dc519888