add calico mtu

Change-Id: I7d1e00fa99f8df6e66b0e738d753e7571130bca3
diff --git a/classes/cluster/virtual-mcp11-k8s-calico-dyn/kubernetes/compute.yml b/classes/cluster/virtual-mcp11-k8s-calico-dyn/kubernetes/compute.yml
index d2c7d4b..58a8803 100644
--- a/classes/cluster/virtual-mcp11-k8s-calico-dyn/kubernetes/compute.yml
+++ b/classes/cluster/virtual-mcp11-k8s-calico-dyn/kubernetes/compute.yml
@@ -22,6 +22,7 @@
           image: ${_param:kubernetes_calicoctl_image}
         cni:
           image: ${_param:kubernetes_calico_cni_image}
+        mtu: ${_param:kubernetes_mtu}
     common:
       hyperkube:
         image: ${_param:kubernetes_hyperkube_image}