Fix the name of basic-build-test.sh within the file
#!/bin/sh
-# basic-build-tests.sh
+# basic-build-test.sh
#
# Copyright The Mbed TLS Contributors
# SPDX-License-Identifier: Apache-2.0
#
# This script has been written to be generic and should work on any shell.
#
-# Usage: basic-build-tests.sh
+# Usage: basic-build-test.sh
#
# Abort on errors (and uninitiliased variables)
