add I2C bus per suggestion from @CDarius

Co-authored-by: CDarius <[email protected]>

Author: jamesjnadeau

ports/espressif/boards/m5stack_cardputer/mpconfigboard.h

@@ -30,7 +30,8 @@
 #define MICROPY_HW_MCU_NAME         "ESP32S3"
 
 #define MICROPY_HW_NEOPIXEL (&pin_GPIO21)
-
+#define DEFAULT_I2C_BUS_SCL (&pin_GPIO1)
+#define DEFAULT_I2C_BUS_SDA (&pin_GPIO2)
 #define DEFAULT_SPI_BUS_SCK (&pin_GPIO36)
 #define DEFAULT_SPI_BUS_MOSI (&pin_GPIO35)
 #define DEFAULT_SPI_BUS_MISO (&pin_GPIO34)