Update reference to (previously) mbedtls_dev

Signed-off-by: David Horstmann <david.horstmann@arm.com>

scripts/mbedtls_framework/__init__.py

diff --git a/scripts/mbedtls_framework/__init__.py b/scripts/mbedtls_framework/__init__.py
index 15b0d60..50147ce 100644
--- a/scripts/mbedtls_framework/__init__.py
+++ b/scripts/mbedtls_framework/__init__.py
@@ -1,3 +1,3 @@
-# This file needs to exist to make mbedtls_dev a package.
+# This file needs to exist to make mbedtls_framework a package.
 # Among other things, this allows modules in this directory to make
 # relative imports.