Define downstream pause image for k8s

Change-Id: I4e870acb1a85960d8c37a26efc5027bc7d10cab3
diff --git a/classes/cluster/k8s-aio-calico/kubernetes/compute.yml b/classes/cluster/k8s-aio-calico/kubernetes/compute.yml
index be4d1c7..672f65e 100644
--- a/classes/cluster/k8s-aio-calico/kubernetes/compute.yml
+++ b/classes/cluster/k8s-aio-calico/kubernetes/compute.yml
@@ -39,6 +39,7 @@
           - ${linux:system:name}
       hyperkube:
         image: ${_param:kubernetes_hyperkube_image}
+        pause_image: ${_param:kubernetes_pause_image}
   linux:
     network:
       resolv: