machine: adding s390 topology to info hotpluggable-cpus S390 topology adds books and drawers topology containers. Let's add these to the HMP information for hotpluggable cpus. Signed-off-by: Pierre Morel <pmorel@linux.ibm.com> Reviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-ID: <20231016183925.2384704-12-nsg@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com>