crypto: deprecate use of external dh-params.pem file

GNUTLS has deprecated use of externally provided diffie-hellman
parameters. Since 3.6.0 it will automatically negotiate DH params
in accordance with RFC7919.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
6 files changed