[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/debug_tools/uart_echo.c

@@ -80,11 +80,13 @@ static void uart_echo_view_draw_callback(Canvas* canvas, void* _model) {
 }
 
 static bool uart_echo_view_input_callback(InputEvent* event, void* context) {
-    bool consumed = false;
-    return consumed;
+    UNUSED(event);
+    UNUSED(context);
+    return false;
 }
 
 static uint32_t uart_echo_exit(void* context) {
+    UNUSED(context);
     return VIEW_NONE;
 }
 
@@ -170,7 +172,10 @@ static int32_t uart_echo_worker(void* context) {
 
             notification_message(app->notification, &sequence_notification);
             with_view_model(
-                app->view, (UartDumpModel * model) { return true; });
+                app->view, (UartDumpModel * model) {
+                    UNUSED(model);
+                    return true;
+                });
         }
     }
 
@@ -261,6 +266,7 @@ static void uart_echo_app_free(UartEchoApp* app) {
 }
 
 int32_t uart_echo_app(void* p) {
+    UNUSED(p);
     UartEchoApp* app = uart_echo_app_alloc();
     view_dispatcher_run(app->view_dispatcher);
     uart_echo_app_free(app);