target/s390x/cpu topology: handle STSI(15) and build the SYSIB

On interception of STSI(15.1.x) the System Information Block
(SYSIB) is built from the list of pre-ordered topology entries.

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Co-developed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Message-ID: <20231016183925.2384704-5-nsg@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 8e2e828..cfc37e9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1715,6 +1715,7 @@
 S: Supported
 F: include/hw/s390x/cpu-topology.h
 F: hw/s390x/cpu-topology.c
+F: target/s390x/kvm/stsi-topology.c
 
 X86 Machines
 ------------