Generate test wrappers

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>

tests/scripts/generate_psa_wrappers.py

@@ -145,6 +145,11 @@ class PSAWrapperGenerator(c_wrapper_generator.Base):
         # Proof-of-concept: just instrument one function for now
         if function_name == 'psa_cipher_encrypt':
             return True
+        if function_name in ('psa_sign_message',
+                             'psa_verify_message',
+                             'psa_sign_hash',
+                             'psa_verify_hash'):
+            return True
         return False
 
     def _write_function_call(self, out: typing_util.Writable,