[FL-2520] FW build with -Wextra (#1185)

* Fixing compiler warnings with -Wextra
* More warnings suppression, WIP
* Even more warning fixes
* Added new lines at end of text files.
* Padding fix
* Additional fixes to warnings on different build configurations; added -Wextra to default build pipeline
* Fixes for Secplus v1
* -additional warnings
* +-Wredundant-decls fixes
* FuriHal: print stack overflow task name in console
* FuriHal: add missing include

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

lib/fatfs/ff_gen_drv.c

@@ -79,6 +79,7 @@ uint8_t FATFS_LinkDriver(const Diskio_drvTypeDef *drv, char *path)
   */
 uint8_t FATFS_UnLinkDriverEx(char *path, uint8_t lun)
 {
+  (void)lun;
   uint8_t DiskNum = 0;
   uint8_t ret = 1;