patching in featuregates

kube_features.go

func init() {
  registerOpenshiftFeatures()
	runtime.Must(utilfeature.DefaultMutableFeatureGate.Add(defaultKubernetesFeatureGates))
}

openshift_features.go

var 	RouteExternalCertificate featuregate.Feature = "RouteExternalCertificate"


func registerOpenshiftFeatures(){
  	defaultKubernetesFeatureGates[RouteExternalCertificate] = {Default: false, PreRelease: featuregate.Alpha}
}