Document new error type returned from the key derivation API
diff --git a/include/psa/crypto.h b/include/psa/crypto.h
index 2b5bb97..f5d1796 100644
--- a/include/psa/crypto.h
+++ b/include/psa/crypto.h
@@ -3201,6 +3201,8 @@
* \retval #PSA_ERROR_NOT_SUPPORTED
* The key type or key size is not supported, either by the
* implementation in general or in this particular location.
+ * \retval #PSA_ERROR_INVALID_ARGUMENT
+ * The provided key attributes are not valid for the operation.
* \retval #PSA_ERROR_BAD_STATE
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
* \retval #PSA_ERROR_INSUFFICIENT_STORAGE