fix netapp compute side. Do not introduce new role for package

Change-Id: I87c54b60a05c9117f0204adf4c3cb5fcf9e22601
diff --git a/README.rst b/README.rst
index 3dd21a6..e189dfd 100644
--- a/README.rst
+++ b/README.rst
@@ -303,11 +303,11 @@
               - 172.18.1.2:/vol_2
               - 172.18.1.2:/vol_3
               - 172.18.1.2:/vol_4
-      compute:
-        backend:
-          netapp:
-            engine: netapp
-            storage_protocol: nfs
+    linux:
+      system:
+        package:
+          nfs-common:
+            version: latest
 
 
 Cinder setup with Hitachi VPS