openvswitch: add vswitchd dependency on db

The openvswitch-vswitchd pod should not start until there is a Ready
openvswitch-vswitchd-db pod on the same node. This change adds the
appropriate dependency to cause it to wait.

Change-Id: I5c827971c99639d2f1c3a24a1761524b3a165421

openvswitch/values.yaml

@@ -174,7 +174,12 @@ dependencies:
             service: local_image_registry
   static:
     db: null
-    vswitchd: null
+    vswitchd:
+      pod:
+        - requireSameNode: true
+          labels:
+            application: openvswitch
+            component: openvswitch-vswitchd-db
     image_repo_sync:
       services:
         - endpoint: internal