creates SGE encrypted factory images
to use via the D-Link web interface
rename the old factory unencrypted images to recovery
for use in the recovery console when recovery is needed
adjusted to not touch unrelated devices
Signed-off-by: Alan Luck <luckyhome2008@gmail.com>
(cherry picked and adjusted from commit 4c0dc68f46)
Signed-off-by: Florian Maurer <f.maurer@outlook.de>