openssl: integrate variable cryptodev support

Allow openssl to use cryptodev-linux hardware crypto support besides
OCF.
To do this we remove the OCF option from openssl and automatically use
any of the available implementations when available.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>