openssl: fix host-openssl dependencies

Support for ocf-linux or cryptodev-linux added a dependency of host-openssl
on host-ocf-linux / host-cryptodev-linux, which we don't have and the
dependency is anyway not needed.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>