Update MPC IBM VMs for stone-stage-p01 (#9361)

Change the IBM static s390x and ppc64le VM IP addresses to those on the
newly configured subnets as part of the effort to improve network speed
for MPC.

KFLUXINFRA-2594
KFLUXINFRA-2595

Author: enkeefe00

components/multi-platform-controller/staging-downstream/host-values.yaml

@@ -179,14 +179,14 @@ dynamicConfigs:
 # Static hosts configuration
 staticHosts:
   ppc64le-static-1:
-    address: "10.130.79.249"
+    address: "10.130.103.155"
     concurrency: "2"
     platform: "linux/ppc64le"
     secret: "ibm-ppc64le-ssh-key"
     user: "root"
 
   s390x-static-1:
-    address: "10.130.79.197"
+    address: "10.130.103.103"
     concurrency: "2"
     platform: "linux/s390x"
     secret: "ibm-s390x-ssh-key"