Add freeipa-selinux subpackage
    
    Add freeipa-selinux subpackage containing selinux policy for FreeIPA
    server. This policy module will override the distribution policy.
    Policy files where extracted from
    https://github.com/fedora-selinux/selinux-policy
    
    See Independent policy project guidelines for more details about
    shipping custom SELinux policy.
    https://fedoraproject.org/wiki/SELinux/IndependentPolicy
    
    Reviewed-By: Christian Heimes <cheimes@redhat.com>