stp/STP_Test.cfg: Add M3UA and IPA tests

Change-Id: Ib8a874d842854cd919edbc1929352fcc3fc1ad97
diff --git a/stp/STP_Tests.cfg b/stp/STP_Tests.cfg
index 3ba2d13..945ef8f 100644
--- a/stp/STP_Tests.cfg
+++ b/stp/STP_Tests.cfg
@@ -15,4 +15,6 @@
 [MAIN_CONTROLLER]
 
 [EXECUTE]
+STP_Tests_M3UA.control
+STP_Tests_IPA.control
 STP_Tests.control