[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/lfrfid/lfrfid_cli.cpp

@@ -100,6 +100,8 @@ static void lfrfid_cli_read(Cli* cli, string_t args) {
 }
 
 static void lfrfid_cli_write(Cli* cli, string_t args) {
+    UNUSED(cli);
+    UNUSED(args);
     // TODO implement rfid write
     printf("Not implemented :(\r\n");
 }
@@ -147,6 +149,7 @@ static void lfrfid_cli_emulate(Cli* cli, string_t args) {
 }
 
 static void lfrfid_cli(Cli* cli, string_t args, void* context) {
+    UNUSED(context);
     string_t cmd;
     string_init(cmd);