Adding params for voltha images

Change-Id: I47286050d58dfffdcaee79c07b2b378afb00077e
diff --git a/voltha/templates/60-cluster-ingress-nginx.yaml b/voltha/templates/60-cluster-ingress-nginx.yaml
index 7919eb7..839f4a4 100644
--- a/voltha/templates/60-cluster-ingress-nginx.yaml
+++ b/voltha/templates/60-cluster-ingress-nginx.yaml
@@ -43,7 +43,7 @@
           privileged: true
       containers:
         - name: nginx-ingress-controller
-          image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.10.2
+          image: {{ .Values.ingressControllerImage }}
           args:
             - /nginx-ingress-controller
             - --default-backend-service=$(POD_NAMESPACE)/default-http-backend