Add attribute ipacahsmconfiguration to the "Read CAs" ACI
    
    This will allow the HSM stored configuration to be read.
    
    Fixes: https://pagure.io/freeipa/issue/9273
    
    Signed-off-by: Rob Crittenden <rcritten@redhat.com>
    Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>