Hi Ved,
A quick Google search let us known that the bcrypt hashing is not provide by default with OpenLDAP.
But some initiative has been taken in that sense. See the bellow links for more details.
1. https://github.com/wclarie/openldap-bcrypt
1. https://github.com/osixia/docker-openldap/issues/150
Gluu for this moment don’t support bcrypt password encription. We may add that in our features list for future release.