openssh: Atomically generate host keys
Generating the host keys atomically prevents power interruptions during the
first boot from leaving the key files incomplete, which often prevents users
from being able to ssh into the device.
[YOCTO #11671]
Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit
43fc3d8e180c168dbe5dd5faa577e69a279bd1bd)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
