Fix root private key on cfg01 node

Public key for 'root' user is taken from the class
system.openssh.server.team.lab , and corresponds to
the private key from system.openssh.client.lab,
not from system.openssh.client.root

Change-Id: Id17a17f0be9f0c6d3adcd14165136fda06141d1e
diff --git "a/\173\173 cookiecutter._env_name \175\175/overrides.yml" "b/\173\173 cookiecutter._env_name \175\175/overrides.yml"
index 2ea4934..9e91ad2 100644
--- "a/\173\173 cookiecutter._env_name \175\175/overrides.yml"
+++ "b/\173\173 cookiecutter._env_name \175\175/overrides.yml"
@@ -3,7 +3,7 @@
 # Enable root and *ALL* users access
 - system.openssh.server.team.all
 - system.linux.network.dynamic_hosts
-- system.openssh.client.root
+- system.openssh.client.lab
 
 # Example: salt-call reclass.cluster_meta_set foo bar /path/to/overrides.yml
 #parameters:
@@ -19,6 +19,8 @@
     galera_wsrep_slave_threads: 2
     galera_xtrabackup_parallel: 1
     galera_error_log_enabled: true
+    # from system.openssh.client.lab
+    root_private_key: ${_param:cluster_private_key}
   openssh:
     server:
       password_auth: true