Set kubelet address

Fixes issue with OpenStack cloud provider where kubelet tries to
register with different host IP addresses.

Change-Id: I353b18b16e8bde92fa6281a77ec2e8139925c1a0
diff --git a/tests/pillar/master_cluster.sls b/tests/pillar/master_cluster.sls
index 513d6b1..e5e937b 100644
--- a/tests/pillar/master_cluster.sls
+++ b/tests/pillar/master_cluster.sls
@@ -65,6 +65,7 @@
       - host: 10.0.175.100
         name: node040
     kubelet:
+      address: 10.0.175.100
       allow_privileged: true
     network:
       engine: calico