esp8266: Switch from using custom I2C driver to generic extmod one.
diff --git a/esp8266/modmachine.c b/esp8266/modmachine.c
index 96f9845..8fb88fa 100644
--- a/esp8266/modmachine.c
+++ b/esp8266/modmachine.c
@@ -30,6 +30,7 @@
#include "py/obj.h"
#include "py/runtime.h"
#include "extmod/machine_mem.h"
+#include "extmod/machine_i2c.h"
#include "utils.h"
#include "modpyb.h"
@@ -159,7 +160,7 @@
{ MP_ROM_QSTR(MP_QSTR_PWM), MP_ROM_PTR(&pyb_pwm_type) },
{ MP_ROM_QSTR(MP_QSTR_ADC), MP_ROM_PTR(&pyb_adc_type) },
{ MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&pyb_uart_type) },
- { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&pyb_i2c_type) },
+ { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&machine_i2c_type) },
{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&pyb_spi_type) },
};