Added pin definition for battery change enable. Pin used to switch in a 10 ohm resistor during Hub reset & strapping.

Author: osterwood

ports/atmel-samd/boards/capablerobot_usbhub/pins.c

@@ -19,6 +19,7 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
 
     { MP_OBJ_NEW_QSTR(MP_QSTR_USBHOSTEN),  MP_ROM_PTR(&pin_PA07) },
     { MP_OBJ_NEW_QSTR(MP_QSTR_USBRESET),   MP_ROM_PTR(&pin_PB08) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_USBBCEN),    MP_ROM_PTR(&pin_PB22) },
 
     { MP_OBJ_NEW_QSTR(MP_QSTR_SDA),    MP_ROM_PTR(&pin_PA22) },
     { MP_OBJ_NEW_QSTR(MP_QSTR_SCL),    MP_ROM_PTR(&pin_PA23) },