feat: clone tf-m-tests and tf-m-extras

The platform self-test implemented by tfm resides in
the repos added here. They are needed for the upcoming
job to run tf-m's self-test at EL3 inside bl31.

Change-Id: I855ab552fdfff9d700739d96372b2357f2156f4d
Signed-off-by: Jimmy Brisson <jimmy.brisson@arm.com>
diff --git a/script/clone_repos.sh b/script/clone_repos.sh
index cb2b8de..b896cdd 100755
--- a/script/clone_repos.sh
+++ b/script/clone_repos.sh
@@ -467,6 +467,18 @@
 		clone_and_sync
 fi
 
+TF_M_TESTS_REFSPEC="${tf_m_tests_refspec:-$TF_M_TESTS_REFSPEC}"
+if not_upon "$no_tfm_tests"; then
+	url="$tf_m_tests_src_repo_url" name="tf-m-tests" ref="TF_M_TESTS_REFSPEC" \
+		loc="TF_M_TESTS_PATH" clone_and_sync
+fi
+
+TF_M_EXTRAS_REFSPEC="${tf_m_extras_refspec:-$TF_M_EXTRAS_REFSPEC}"
+if not_upon "$no_tfm_extras"; then
+	url="$tf_m_extras_src_repo_url" name="tf-m-extras" ref="TF_M_EXTRAS_REFSPEC" \
+		loc="TF_M_EXTRAS_PATH" clone_and_sync
+fi
+
 if [ "$GERRIT_BRANCH" ]; then
 	# If this CI run was in response to a Gerrit commit, post a comment back
 	# to the patch set calling out everything that we've done so far. This