Change name of StackLight node definitions to match reclass/system

Change-Id: I089bb14c20d79bac04f449c169c5d8a58dae083c
diff --git a/classes/cluster/sl-k8s-calico/infra/config.yml b/classes/cluster/sl-k8s-calico/infra/config.yml
index ca4485d..a66cd51 100644
--- a/classes/cluster/sl-k8s-calico/infra/config.yml
+++ b/classes/cluster/sl-k8s-calico/infra/config.yml
@@ -90,7 +90,7 @@
             stacklight_monitor_node03_address:
               value_template: <<node_control_ip>>
       node:
-        stacklight_monitor_node01:
+        stacklight_server_node01:
           name: ${_param:stacklight_monitor_node01_hostname}
           domain: ${_param:cluster_domain}
           classes:
@@ -104,7 +104,7 @@
             single_address: ${_param:stacklight_monitor_node01_address}
             keepalived_vip_priority: 100
             mysql_cluster_role: master
-        stacklight_monitor_node02:
+        stacklight_server_node02:
           name: ${_param:stacklight_monitor_node02_hostname}
           domain: ${_param:cluster_domain}
           classes:
@@ -117,7 +117,7 @@
             single_address: ${_param:stacklight_monitor_node02_address}
             keepalived_vip_priority: 101
             mysql_cluster_role: slave
-        stacklight_monitor_node03:
+        stacklight_server_node03:
           name: ${_param:stacklight_monitor_node03_hostname}
           domain: ${_param:cluster_domain}
           classes: