Introduce project_name.txt

This file is used for detecting which project a script is being
run from.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
diff --git a/scripts/project_name.txt b/scripts/project_name.txt
new file mode 100644
index 0000000..a38cf26
--- /dev/null
+++ b/scripts/project_name.txt
@@ -0,0 +1 @@
+Mbed TLS