Fix condition tuned profile.

Fix the warning evaluating as a bare variable, this behaviour will go
away and you might need to add |bool to the expression in the future.

Change-Id: I588e24f0b0e574b9ecea9f3b8d932a94b116a4d5

tripleo_ansible/roles/tuned/tasks/tuned_config.yml

@@ -43,8 +43,8 @@
   fail:
     msg: "Tuned profile conf file is not available to configure isolated cores"
   when:
-    - tuned_isolated_cores
-    - not tuned_conf_stat_result.stat.exists
+    - tuned_isolated_cores|bool
+    - not tuned_conf_stat_result.stat.exists|bool
 
 - name: "Configure isolated cores for profile {{ tuned_profile }}"
   lineinfile:
@@ -52,8 +52,8 @@
     regexp: '^isolated_cores=.*'
     line: 'isolated_cores={{ tuned_isolated_cores }}'
   when:
-    - tuned_isolated_cores
-    - tuned_conf_stat_result.stat.exists
+    - tuned_isolated_cores|bool
+    - tuned_conf_stat_result.stat.exists|bool
 
 - name: Enable tuned profile
   command: >-