pkcs15-dnie: fix compilation when OpenSSL is not used

If OpenSSL is not used then the functions from card-dnie.c are not
defined and in particular dnie_match_card() is not defined.
In that case we use a fake dnie_match_card() that just returns false.
build: disable Secure Messaging if OpenSSL is not used

If OpenSSL is not present or --disable-openssl then Secure Messaging is
disabled.

The problem was that some Secure Messaging code is missing if OpenSSL is
absent. The build/link failed with some missing symbols.

Fix issue #293