test_definitions.sh: Use QA_TOOLS_REPO/QA_TOOLS_BRANCH job params

As newer versions of params, define for tf-a-builder job, and more recently
tf-a-ci-gateway too.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: I915d185e60d069ad7389cb0dc12ab00aeeb98cda
diff --git a/script/test_definitions.sh b/script/test_definitions.sh
index f81bdb8..6b83bc7 100644
--- a/script/test_definitions.sh
+++ b/script/test_definitions.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 #
-# Copyright (c) 2019-2020, Arm Limited. All rights reserved.
+# Copyright (c) 2019-2023, Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -12,7 +12,7 @@
 
 else
 
-export TEST_DEFINITIONS_REPO=${TEST_DEFINITIONS_REPO:-https://review.trustedfirmware.org/ci/qa-tools}
-export TEST_DEFINITIONS_REFSPEC=${TEST_DEFINITIONS_REFSPEC:-openci}
+export TEST_DEFINITIONS_REPO=${QA_TOOLS_REPO:-https://review.trustedfirmware.org/ci/qa-tools}
+export TEST_DEFINITIONS_REFSPEC=${QA_TOOLS_BRANCH:-openci}
 
 fi