Since upstream commit 6467de5a8840 ("Randomize z ordinates in
scalar mult when timing resistant") WolfSSL requires a RNG for
the EC key when built hardened which is the default.
Set the RNG for the EC key to fix connections for OWE clients.
Signed-off-by: David Bauer <mail@david-bauer.net>
(cherry picked from commit ddcb970274)
