Fix Pylint errors and improve Python script

Pylint errors are fixed.
The Python script is improved to take default arguments when not
passed (eg invoked from root of the tree)

check-generated-files.sh and CMakeLists.sh updated.

Signed-off-by: Archana <archana.madhavan@silabs.com>
diff --git a/library/Makefile b/library/Makefile
index 31abed5..eb8b78e 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -324,8 +324,7 @@
 psa_crypto_driver_wrappers.c:
 	echo "  Gen   $@"
 	$(PYTHON) ../scripts/generate_driver_wrappers.py \
-                  "../scripts/data_files/driver_templates/psa_crypto_driver_wrappers.conf" \
-                  "psa_crypto_driver_wrappers.c"
+                  "../"
 
 clean:
 ifndef WINDOWS