[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/dolphin/dolphin.c

@@ -118,6 +118,7 @@ void dolphin_event_send_wait(Dolphin* dolphin, DolphinEvent* event) {
 }
 
 void dolphin_event_release(Dolphin* dolphin, DolphinEvent* event) {
+    UNUSED(dolphin);
     if(event->flag) {
         osEventFlagsSet(event->flag, DOLPHIN_LOCK_EVENT_FLAG);
     }
@@ -149,6 +150,7 @@ static void dolphin_update_clear_limits_timer_period(Dolphin* dolphin) {
 }
 
 int32_t dolphin_srv(void* p) {
+    UNUSED(p);
     Dolphin* dolphin = dolphin_alloc();
     furi_record_create("dolphin", dolphin);