psa-client-server: move psasim from framework repo to the mbedtls one

This is a temporary fix that will be reverted once the framework
repository will have CI checks.

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/tests/psa-client-server/psasim/test/run_test.sh b/tests/psa-client-server/psasim/test/run_test.sh
new file mode 100755
index 0000000..f0e7a62
--- /dev/null
+++ b/tests/psa-client-server/psasim/test/run_test.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# This is a simple bash script that tests psa_client/psa_server interaction.
+# This script is automatically executed when "make run" is launched by the
+# "psasim" root folder. The script can also be launched manually once
+# binary files are built (i.e. after "make test" is executed from the "psasim"
+# root folder).
+#
+# Copyright The Mbed TLS Contributors
+# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+
+set -e
+
+function clean_run() {
+    pkill psa_partition || true
+    pkill psa_client || true
+    ipcs | grep q | awk '{ printf " -q " $$2 }' | xargs ipcrm > /dev/null 2>&1 || true
+}
+
+# The server creates some local files when it starts up so we can wait for this
+# event as signal that the server is ready so that we can start client(s).
+function wait_for_server_startup() {
+    while [ ! -f ./psa_notify_* ]; do
+    sleep 0.1
+    done
+}
+
+clean_run
+
+./psa_partition -k &
+SERV_PID=$!
+wait_for_server_startup
+./psa_client
+wait $SERV_PID