Add framework_path module

This allows scripts in the scripts/ directory to get the path to the
mbedtls_framework module in framework/scripts/

Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/scripts/abi_check.py b/scripts/abi_check.py
index d3d2bd0..5a52d87 100755
--- a/scripts/abi_check.py
+++ b/scripts/abi_check.py
@@ -101,6 +101,7 @@
 
 import xml.etree.ElementTree as ET
 
+import framework_path # pylint: disable=unused-import
 from mbedtls_framework import build_tree