This patch adds EC compilation options to openssl
OPENSSL_WITH_EC is needed for authsae (OPENSSL_WITH_EC2M isn't)
Activating ec (but not ec2m) in openssl take 35Ko more on ar71xx (ipk size)
Activating both take 52Ko.
Signed-off-by: Etienne CHAMPETIER <etienne.champetier@free.fr>
SVN-Revision: 37523