[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/Src/fatfs/fatfs.c

@@ -0,0 +1,56 @@
+/**
+  ******************************************************************************
+  * @file   fatfs.c
+  * @brief  Code for fatfs applications
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2020 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
+  *
+  ******************************************************************************
+  */
+
+#include "fatfs.h"
+
+uint8_t retUSER;    /* Return value for USER */
+char USERPath[4];   /* USER logical drive path */
+FATFS USERFatFS;    /* File system object for USER logical drive */
+FIL USERFile;       /* File object for USER */
+
+/* USER CODE BEGIN Variables */
+
+/* USER CODE END Variables */    
+
+void MX_FATFS_Init(void) 
+{
+  /*## FatFS: Link the USER driver ###########################*/
+  retUSER = FATFS_LinkDriver(&USER_Driver, USERPath);
+
+  /* USER CODE BEGIN Init */
+  /* additional user code for init */     
+  /* USER CODE END Init */
+}
+
+/**
+  * @brief  Gets Time from RTC 
+  * @param  None
+  * @retval Time in DWORD
+  */
+DWORD get_fattime(void)
+{
+  /* USER CODE BEGIN get_fattime */
+  return 0;
+  /* USER CODE END get_fattime */  
+}
+
+/* USER CODE BEGIN Application */
+     
+/* USER CODE END Application */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/