Fix invalid json in ironic service

Change-Id: Idbf10404606dd17be334056c95b6e5f9ae800495
Partial-Bug: #1631503

ansible/roles/ironic/templates/ironic-api.json.j2

@@ -10,7 +10,7 @@
     ],
     "permissions": [
         {
-            "path": "/var/log/kolla/ironic"
+            "path": "/var/log/kolla/ironic",
             "owner": "ironic:ironic",
             "recurse": true
         }

ansible/roles/ironic/templates/ironic-conductor.json.j2

@@ -20,7 +20,7 @@
             "recurse": true
         },
         {
-            "path": "/tftpboot"
+            "path": "/tftpboot",
             "owner": "ironic:ironic",
             "recurse": true
         }