add stemma_i2c on adafruit_qtpy_rp2040

Author: microdev1

ports/raspberrypi/boards/adafruit_qtpy_rp2040/pins.c

@@ -1,6 +1,6 @@
 #include "shared-bindings/board/__init__.h"
 
-CIRCUITPY_BOARD_BUS_SINGLETON(qwiic_i2c, i2c, 1)
+CIRCUITPY_BOARD_BUS_SINGLETON(i2c_port, i2c, 1)
 
 STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
@@ -50,6 +50,7 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
     { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
 
-    { MP_ROM_QSTR(MP_QSTR_QWIIC_I2C), MP_ROM_PTR(&board_qwiic_i2c_obj) },
+    { MP_ROM_QSTR(MP_QSTR_QWIIC_I2C), MP_ROM_PTR(&board_i2c_port_obj) },
+    { MP_ROM_QSTR(MP_QSTR_STEMMA_I2C), MP_ROM_PTR(&board_i2c_port_obj) },
 };
 MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);