Adjust k8s network definition related to Calico refactoring.

Change-Id: I51c456ae4070931ccb3f58539ef24f482000b39a
diff --git a/classes/cluster/virtual-mcp11-k8s-calico-minimal/kubernetes/compute.yml b/classes/cluster/virtual-mcp11-k8s-calico-minimal/kubernetes/compute.yml
index c84a223..aa3d759 100644
--- a/classes/cluster/virtual-mcp11-k8s-calico-minimal/kubernetes/compute.yml
+++ b/classes/cluster/virtual-mcp11-k8s-calico-minimal/kubernetes/compute.yml
@@ -14,15 +14,14 @@
   kubernetes:
     pool:
       network:
-        etcd:
-          ssl:
-            enabled: true
-        image: ${_param:kubernetes_calico_image}
-        calicoctl:
-          image: ${_param:kubernetes_calicoctl_image}
-        cni:
-          image: ${_param:kubernetes_calico_cni_image}
-        mtu: ${_param:kubernetes_mtu}
+        calico:
+          image: ${_param:kubernetes_calico_image}
+          calicoctl_image: ${_param:kubernetes_calico_calicoctl_image}
+          cni_image: ${_param:kubernetes_calico_cni_image}
+          mtu: ${_param:kubernetes_mtu}
+          etcd:
+            ssl:
+              enabled: true
     common:
       hyperkube:
         image: ${_param:kubernetes_hyperkube_image}