added defines for VOLTAGE_MONITOR/A3

Author: bablokb

ports/raspberrypi/boards/pimoroni_inky_frame_5_7/pins.c

@@ -71,6 +71,9 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_INKY_RES), MP_ROM_PTR(&pin_GPIO27) },
     { MP_ROM_QSTR(MP_QSTR_INKY_DC), MP_ROM_PTR(&pin_GPIO28) },
 
+    { MP_ROM_QSTR(MP_QSTR_VOLTAGE_MONITOR), MP_ROM_PTR(&pin_GPIO29) },
+    { MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_GPIO29) },
+
     { MP_ROM_QSTR(MP_QSTR_PICO_LED), MP_ROM_PTR(&pin_CYW0) },
     { MP_ROM_QSTR(MP_QSTR_SMPS_MODE), MP_ROM_PTR(&pin_CYW1) },
     { MP_ROM_QSTR(MP_QSTR_VBUS_SENSE), MP_ROM_PTR(&pin_CYW2) },