Merge pull request #3280 from hierophect/esp32-wroom-neopixel

ESP32-S2: Add Neopixel to Wroom

Author: tannewt

ports/esp32s2/boards/espressif_saola_1_wroom/pins.c

@@ -42,5 +42,7 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_IO44), MP_ROM_PTR(&pin_GPIO44) },
     { MP_ROM_QSTR(MP_QSTR_IO45), MP_ROM_PTR(&pin_GPIO45) },
     { MP_ROM_QSTR(MP_QSTR_IO46), MP_ROM_PTR(&pin_GPIO46) },
+
+    { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO18) },
 };
 MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);