[drivers][crypto]add device CRC/RNG

bsp/stm32/libraries/HAL_Drivers/SConscript

@@ -72,7 +72,10 @@ if GetDepend(['BSP_USING_ON_CHIP_FLASH', 'SOC_SERIES_STM32F7']):
 
 if GetDepend(['BSP_USING_ON_CHIP_FLASH', 'SOC_SERIES_STM32L4']):
     src += ['drv_flash/drv_flash_l4.c']
-
+	
+if GetDepend('RT_USING_HWCRYPTO'):
+    src += ['drv_crypto.c']
+	
 if GetDepend(['BSP_USING_WDT']):
     src += ['drv_wdt.c']
 

bsp/stm32/libraries/HAL_Drivers/drv_crypto.h

@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2019 Winner Microelectronics Co., Ltd.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-07-10     Ernest       1st version
+ */
+
+#ifndef __DRV_CRYPTO_H__
+#define __DRV_CRYPTO_H__
+
+int l4_hw_crypto_device_init(void);
+
+#endif /* __DRV_CRYPTO_H__ */