Pass the key creation method to drivers

Pass the key creation method (import/generate/derive/copy) to the
driver methods to allocate or validate a slot number. This allows
drivers to enforce policies such as "this key slot can only be used
for keys generated inside the secure element".

library/psa_crypto_se.h

@@ -135,6 +135,7 @@ psa_drv_se_context_t *psa_get_se_driver_context(
  */
 psa_status_t psa_find_se_slot_for_key(
     const psa_key_attributes_t *attributes,
+    psa_key_creation_method_t method,
     psa_se_drv_table_entry_t *driver,
     psa_key_slot_number_t *slot_number );