Add RECLASS_SYSTEM_BRANCH field

Add ability to deploy AIO model from reclass-system
branch/tag/ref.

Change-Id: I067a550785e2fb94ca126e46080bf455f428843f
Related-Prod: PROD-28721
diff --git a/cloud-deploy-pipeline.groovy b/cloud-deploy-pipeline.groovy
index 0e0b106..3b6e831 100644
--- a/cloud-deploy-pipeline.groovy
+++ b/cloud-deploy-pipeline.groovy
@@ -199,6 +199,12 @@
                             common.infoMsg("Property STACK_RECLASS_BRANCH or STACK_RECLASS_ADDRESS not found! Using default values from template.")
                         }
 
+                        // put reclass-system repo to branch/tag/ref. If empty will be used reclass pinned commit in AIO model.
+                        if (common.validInputParam('RECLASS_SYSTEM_BRANCH')) {
+                            common.infoMsg("Setting reclass-system repo to ${RECLASS_SYSTEM_BRANCH} branch/tag/ref")
+                            envParams.put('cfg_reclass_system_branch', RECLASS_SYSTEM_BRANCH)
+                        }
+
                         // put formulas revision - stable, testing or nightly
                         if (common.validInputParam('FORMULA_PKG_REVISION')) {
                             common.infoMsg("Setting formulas revision to ${FORMULA_PKG_REVISION}")