Change microS2 board name

Author: microdev1

ports/esp32s2/boards/micro_s2/pins.c renamed to ports/esp32s2/boards/microdev_micro_s2/pins.c

@@ -46,4 +46,4 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
 
     { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO33) },
 };
-MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);
+MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);