libcrypto: move engines and modules to openssl-lib

currently, some OpenSSL-related files end up in the utilities package:

/usr/lib/engines-3/capi.so
/usr/lib/engines-3/devcrypto.so
/usr/lib/engines-3/loader_attic.so
/usr/lib/engines-3/padlock.so
/usr/lib/ossl-modules/legacy.so

since these are part of OpenSSL and are not useful without it, move them
to the openssl-lib package.

Reviewed by: manu, des, emaste
Approved by: des (mentor)
Differential Revision: https://reviews.freebsd.org/D50144