[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/u2f/scenes/u2f_scene_main.c

@@ -8,6 +8,7 @@
 #define U2F_SUCCESS_TIMEOUT 3000
 
 static void u2f_scene_main_ok_callback(InputType type, void* context) {
+    UNUSED(type);
     furi_assert(context);
     U2fApp* app = context;
     view_dispatcher_send_custom_event(app->view_dispatcher, U2fCustomEventConfirm);

applications/u2f/u2f_app.c

@@ -86,6 +86,7 @@ void u2f_app_free(U2fApp* app) {
 }
 
 int32_t u2f_app(void* p) {
+    UNUSED(p);
     U2fApp* u2f_app = u2f_app_alloc();
 
     view_dispatcher_run(u2f_app->view_dispatcher);

applications/u2f/views/u2f_view.c

@@ -86,6 +86,7 @@ void u2f_view_set_ok_callback(U2fView* u2f, U2fOkCallback callback, void* contex
     furi_assert(callback);
     with_view_model(
         u2f->view, (U2fModel * model) {
+            UNUSED(model);
             u2f->callback = callback;
             u2f->context = context;
             return false;