Add pillars for restore cfg node

* Pre-define pillars for restore cfg01
* Add WR PROD-20679:
  set the same path for client and server
  home_dir: /srv/volumes/backup/backupninja

Change-Id: I3078886533367cbe8e2481d1bc225e8e526550b2
diff --git a/classes/cluster/virtual-mcp-pike-dvr/infra/backup/client_common.yml b/classes/cluster/virtual-mcp-pike-dvr/infra/backup/client_common.yml
index 79b8f6b..1950686 100644
--- a/classes/cluster/virtual-mcp-pike-dvr/infra/backup/client_common.yml
+++ b/classes/cluster/virtual-mcp-pike-dvr/infra/backup/client_common.yml
@@ -36,5 +36,6 @@
   backupninja:
     client:
       target:
+        # WR PROD-20679 - set the same path for client and server
         home_dir: /srv/volumes/backup/backupninja
         engine_opts: "-av --delete --recursive --safe-links"