Affinity router pre-pairing & votha rw/ro core DNS.

This requires changes to afrouterd to work correctly, please consider/merge both patches together.

- Added headless services for all RW cores.
- Changed RO cores to use a StatefulSet.
- Added a service for the RO cores.
- Modified afrouter config to use pre-configure core connectivity.

Change-Id: I6a29097e446f46fa2a02e1f9213a840af283a18f
diff --git a/voltha/Chart.yaml b/voltha/Chart.yaml
index 59df64f..62d2875 100644
--- a/voltha/Chart.yaml
+++ b/voltha/Chart.yaml
@@ -17,5 +17,5 @@
 description: A Helm chart for Voltha based on K8S resources in Voltha project
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 2.0.10
+version: 2.0.11
 appVersion: 2.0.0