KIND deployments for CNO fails.

KIND deployments for CNO are failing due to a requirement for existence of
"cluster-config-v1" configMap introduced by merge c594414 on 03/09/2020. This
change adds a minimal "cluster-config-v1" configMap to KIND deployments.

Signed-off-by: Billy McFall <22157057+Billy99@users.noreply.github.com>

hack/ovn-kind-cno.sh

@@ -10,6 +10,8 @@ CNO_PATH=${CNO_PATH:-$GOPATH/src/github.com/openshift/cluster-network-operator}
 OVN_K8S_PATH=${OVN_K8S_PATH:-$GOPATH/src/github.com/ovn-org/ovn-kubernetes}
 CLUSTER_CIDR=${CLUSTER_CIDR:-"172.16.0.0/16"}
 SERVICE_NETWORK=${SERVICE_NETWORK:-"172.30.0.0/16"}
+# Skip the comment lines and retrieve the number of Master nodes from kind.yaml file.
+NUM_MASTER_NODES=`grep "^[^#]" kind.yaml | grep -c "role\: control-plane"`
 
 # Check for docker
 if ! command -v docker; then
@@ -166,6 +168,20 @@ if [ "$BUILD_CNO" != true ]; then
   kubectl cp /tmp/ovnkube-node.yaml openshift-network-operator/${CNO_POD}:/bindata/network/ovn-kubernetes/
 fi
 
+echo "Creating \"cluster-config-v1\" configMap with $NUM_MASTER_NODES master nodes"
+cat <<EOF | kubectl create -f - 
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: cluster-config-v1
+  namespace: kube-system
+data:
+  install-config: |
+    apiVersion: v1
+    controlPlane:
+      replicas: ${NUM_MASTER_NODES}
+EOF
+
 echo "Creating OVN CNO config"
 cat << EOF | kubectl create -f -
 apiVersion: config.openshift.io/v1