upgrades: fix path to disable_excluder.yml

playbooks/byo/openshift-cluster/upgrades/v3_4/upgrade_nodes.yml

@@ -47,7 +47,7 @@
   tags:
   - pre_upgrade
 
-- include: ../disable_excluder.yml
+- include: ../../../../common/openshift-cluster/disable_excluder.yml
   tags:
   - pre_upgrade