Upgrade saltstack set true by default

-set true for all proposed envs

Change-Id: I48f4ba93f20b19b0c2e013db0a2c6e6f9a4a2193
diff --git a/tcp_tests/tests/system/test_mcp_update.py b/tcp_tests/tests/system/test_mcp_update.py
index 69253c9..db2cb26 100644
--- a/tcp_tests/tests/system/test_mcp_update.py
+++ b/tcp_tests/tests/system/test_mcp_update.py
@@ -609,7 +609,7 @@
         job_parameters = {
             "TARGET_SERVERS": target,
             "OS_DIST_UPGRADE": True,
-            "UPGRADE_SALTSTACK": False,
+            "UPGRADE_SALTSTACK": True,
             "OS_UPGRADE": True,
             "INTERACTIVE": False}
         job_result, job_description = drivetrain_actions.start_job_on_jenkins(