add COMMIT_CHANGES to salt-model generator

Change-Id: I6a112802a7c2b11ef2591b095f6b4bcbc26e66f0
diff --git a/jenkins/client/job/salt-models/generate.yml b/jenkins/client/job/salt-models/generate.yml
index a943b3b..6f2c85c 100644
--- a/jenkins/client/job/salt-models/generate.yml
+++ b/jenkins/client/job/salt-models/generate.yml
@@ -55,3 +55,6 @@
               RECLASS_MODEL_BRANCH:
                 type: string
                 default: master
+              COMMIT_CHANGES:
+                type: boolean
+                default: false