ARM: dove: add crypto engine

This patch adds a dove specific setup function for the Marvell CESA
crypto engine available on orion based SoCs. Dove setup was just
missing a function to call orion_crypto_init with dove specific
setup.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>