Update to sdcore-adapter 0.2.15; add option for partial updates

Change-Id: I8410e75989369dec3265897a44590ad250487086
diff --git a/sdcore-adapter-v4/values.yaml b/sdcore-adapter-v4/values.yaml
index 532f5fa..eeb87b9 100644
--- a/sdcore-adapter-v4/values.yaml
+++ b/sdcore-adapter-v4/values.yaml
@@ -10,7 +10,7 @@
 
 image:
   repository: onosproject/sdcore-adapter
-  tag: v0.2.14
+  tag: v0.2.15
   pullPolicy: IfNotPresent
   pullSecrets: []
 
@@ -22,6 +22,7 @@
 service:
   type: ClusterIP
 
+partialUpdateEnabled: true
 secure: true
 initialConfig: ""
 output: ""