[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/notification/notification_app.c

@@ -298,7 +298,6 @@ void notification_process_notification_message(
             need_minimal_delay = true;
         }
 
-        led_active = false;
         notification_apply_notification_leds(app, led_values);
         reset_mask |= reset_red_mask;
         reset_mask |= reset_green_mask;
@@ -489,6 +488,7 @@ static NotificationApp* notification_app_alloc() {
 
 // App
 int32_t notification_srv(void* p) {
+    UNUSED(p);
     NotificationApp* app = notification_app_alloc();
 
     if(!notification_load_settings(app)) {

applications/notification/notification_app_api.c

@@ -34,4 +34,4 @@ void notification_internal_message_block(
     furi_check(osMessageQueuePut(app->queue, &m, 0, osWaitForever) == osOK);
     osEventFlagsWait(m.back_event, NOTIFICATION_EVENT_COMPLETE, osFlagsWaitAny, osWaitForever);
     osEventFlagsDelete(m.back_event);
-};
+};

applications/notification/notification_settings_app.c

@@ -120,6 +120,7 @@ static void vibro_changed(VariableItem* item) {
 }
 
 static uint32_t notification_app_settings_exit(void* context) {
+    UNUSED(context);
     return VIEW_NONE;
 }
 
@@ -189,6 +190,7 @@ static void free_settings(NotificationAppSettings* app) {
 }
 
 int32_t notification_settings_app(void* p) {
+    UNUSED(p);
     NotificationAppSettings* app = alloc_settings();
     view_dispatcher_run(app->view_dispatcher);
     notification_message_save_settings(app->notification);