[FL-873] Add F5 target, lp5562 driver and api-hal-light (#347)

* Add F5 target, lp5562 driver and api-hal-light. Update api-usage, switch to F5 by default.
* API HAL: add i2c and hardware version api. Dolphin: show hardware version.
* OTP version generator and flashing utility.
* Assets script: fix code formatting
* Backport F5 changes to F4
* F4: disable insomnia, prevent damage to BLE RX path
* F5 HAL API Light: remove magic delay to fix magic BLE
* Dolphin: HW target validation on start
* invert RSSI indication in sub-1
* API HAL: rename board to body in version api
* Gpio tester: detach and release viewport on exit

Co-authored-by: aanper <mail@s3f.ru>

firmware/targets/f5/cube/Inc/rtc.h

@@ -0,0 +1,52 @@
+/**
+  ******************************************************************************
+  * @file    rtc.h
+  * @brief   This file contains all the function prototypes for
+  *          the rtc.c file
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under Ultimate Liberty license
+  * SLA0044, the "License"; You may not use this file except in compliance with
+  * the License. You may obtain a copy of the License at:
+  *                             www.st.com/SLA0044
+  *
+  ******************************************************************************
+  */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __RTC_H__
+#define __RTC_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+extern RTC_HandleTypeDef hrtc;
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_RTC_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __RTC_H__ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/