F2 F3 deprecate (#267)

* move f3-1 to f4, remove f3
* remove f2
* remove firmware F3 for pipeline
* remove patch for F4 makefile
* fix fw makefile
* migrate bootloader to f4

firmware/targets/f4/Src/fatfs/fatfs.h

@@ -0,0 +1,49 @@
+/**
+  ******************************************************************************
+  * @file   fatfs.h
+  * @brief  Header 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
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __fatfs_H
+#define __fatfs_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "fatfs/ff.h"
+#include "fatfs/ff_gen_drv.h"
+#include "user_diskio.h" /* defines USER_Driver as external */
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+extern uint8_t retUSER; /* Return value for USER */
+extern char USERPath[4]; /* USER logical drive path */
+extern FATFS USERFatFS; /* File system object for USER logical drive */
+extern FIL USERFile; /* File object for USER */
+
+void MX_FATFS_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+#ifdef __cplusplus
+}
+#endif
+#endif /*__fatfs_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/