Pull OpenSSL test into the Makefile using it to avoid it on "make obj"

Pull OpenSSL test into the Makefile using it to avoid it on "make obj"

This way a top-down "make obj" does nothing but symlink creation and "make"
or "make regress" still does the eopenssl11 check at the very end.

This is how the rest of the regress suite does it, e.g. sys/netinet/pmtu.

OK tb