Declare more functions that do not need buffer copying

`psa_random_reseed()` is privileged. Hash, MAC and XOF are low-risk
per Mbed-TLS/TF-PSA-Crypto#795 .

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>

Author: gilles-peskine-arm

scripts/mbedtls_framework/code_wrapper/psa_wrapper.py

@@ -150,7 +150,9 @@ def _detect_buffer_parameters(arguments: List[c_parsing_helper.ArgumentInfo],
     FUNCTIONS_NOT_REQUIRING_BUFFER_COPYING_RE = \
         re.compile('|'.join([
             'mbedtls_psa_inject_entropy', # privileged
+            'psa_(hash|mac|xof)_.*', # https://github.com/Mbed-TLS/TF-PSA-Crypto/issues/795
             'psa_crypto_driver_pake_get_.*', # no risk from simple getters
+            'psa_random_reseed', # privileged
         ]))
     def _parameter_should_be_copied(self, function_name: str,
                                     _buffer_name: Optional[str]) -> bool: