Add fips-mode-setup to ipaplatform.paths to determine FIPS status
    
    This will be used by freeipa-healthcheck to report FIPS config
    status. It is added here to avoid duplicating platform independence
    in a sister project.
    
    https://pagure.io/freeipa/issue/8429
    
    Signed-off-by: Rob Crittenden <rcritten@redhat.com>
    Reviewed-By: Francois Cami <fcami@redhat.com>