Add GPIO pins broken out on Mabee connector

Author: RetiredWizard

ports/espressif/boards/makerfabs_tft7/pins.c

@@ -74,6 +74,10 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_TFT_TIMINGS), MP_ROM_PTR(&timings800_dict) },
     { MP_ROM_QSTR(MP_QSTR_TFT_BACKLIGHT), MP_ROM_PTR(&pin_GPIO10) },
 
+    // GPIO pins available on Mabee connector port (also shared with I2S & USB D+/D-)
+    { MP_ROM_QSTR(MP_QSTR_GPIO20), MP_ROM_PTR(&pin_GPIO20) },
+    { MP_ROM_QSTR(MP_QSTR_GPIO19), MP_ROM_PTR(&pin_GPIO19) },
+
     { MP_ROM_QSTR(MP_QSTR_I2S_BIT_CLOCK), MP_ROM_PTR(&pin_GPIO20) },
     { MP_ROM_QSTR(MP_QSTR_I2S_WORD_SELECT), MP_ROM_PTR(&pin_GPIO2) },
     { MP_ROM_QSTR(MP_QSTR_I2S_DATA), MP_ROM_PTR(&pin_GPIO19) },