[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>

applications/snake_game/snake_game.c

@@ -313,6 +313,7 @@ static void snake_game_process_game_step(SnakeState* const snake_state) {
 }
 
 int32_t snake_game_app(void* p) {
+    UNUSED(p);
     srand(DWT->CYCCNT);
 
     osMessageQueueId_t event_queue = osMessageQueueNew(8, sizeof(SnakeEvent), NULL);