doc: Add token-password-file to HSM design, set new OID
    
    Clarify when the user will be prompted interactively during
    installation.
    
    Set the OID for ipaCaHSMConfiguration.
    
    Fixes: https://pagure.io/freeipa/issue/9273
    
    Signed-off-by: Rob Crittenden <rcritten@redhat.com>
    Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>