Update tusb_option.h
Makes ISO compiler happy
#ifndef _TUSB_OPTION_H_
#define _TUSB_OPTION_H_
+// To avoid GCC compiler warnings when -pedantic option is used (strict ISO C)
+typedef int make_iso_compilers_happy ;
+
#include "common/tusb_compiler.h"
#define TUSB_VERSION_MAJOR 0
