Use scripts/project_name.txt in Python scripts

Use scripts/project_name.txt in Python scripts
to detect between Mbed TLS and TF-PSA-Crypto
project.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tf-psa-crypto/scripts/project_name.txt b/tf-psa-crypto/scripts/project_name.txt
new file mode 100644
index 0000000..94a73fa
--- /dev/null
+++ b/tf-psa-crypto/scripts/project_name.txt
@@ -0,0 +1 @@
+TF-PSA-Crypto