STM32F4xx_HAL_RNG_H macro

@file stm32f4xx_hal_rng.h @author MCD Application Team Header file of RNG HAL module. @attention Copyright (c) 2016 STMicroelectronics. All rights reserved. This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.