Rename sl monitor params

Change-Id: I8914a5c87928f48ccd354b7e034d06cec2d046fa
diff --git a/classes/cluster/sl_os_contrail/stacklight/init.yml b/classes/cluster/sl_os_contrail/stacklight/init.yml
index 18ff098..eb3bd1c 100755
--- a/classes/cluster/sl_os_contrail/stacklight/init.yml
+++ b/classes/cluster/sl_os_contrail/stacklight/init.yml
@@ -1,9 +1,9 @@
 parameters:
   _param:
     stacklight_monitor_address: 172.16.10.253
-    stacklight_node01_hostname: mon01
-    stacklight_node02_hostname: mon02
-    stacklight_node03_hostname: mon03
+    stacklight_monitor_node01_hostname: mon01
+    stacklight_monitor_node02_hostname: mon02
+    stacklight_monitor_node03_hostname: mon03
     stacklight_monitor_node01_address: 172.16.10.107
     stacklight_monitor_node02_address: 172.16.10.108
     stacklight_monitor_node03_address: 172.16.10.109