Use ARMv8 Crypto Extensions for AES, ghash and sha256.
This results in a 16 times speed gain in speed for aes-128-ctr, 17x in
aes-128-gcm, and 9 times in sha256.
Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
(cherry picked from commit c9c2b01b84)