[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/updater/cli/updater_cli.c

@@ -65,6 +65,8 @@ static const CliSubcommand update_cli_subcommands[] = {
 };
 
 static void updater_cli_ep(Cli* cli, string_t args, void* context) {
+    UNUSED(cli);
+    UNUSED(context);
     string_t subcommand;
     string_init(subcommand);
     if(!args_read_string_and_trim(args, subcommand) || string_empty_p(args)) {
@@ -85,6 +87,7 @@ static void updater_cli_ep(Cli* cli, string_t args, void* context) {
 }
 
 static int32_t updater_spawner_thread_worker(void* arg) {
+    UNUSED(arg);
     Loader* loader = furi_record_open("loader");
     loader_start(loader, "UpdaterApp", NULL);
     furi_record_close("loader");