esp8266: Refactor to use extmod implementation of software SPI class.
diff --git a/esp8266/modmachine.h b/esp8266/modmachine.h
index df7953e..414aaa8 100644
--- a/esp8266/modmachine.h
+++ b/esp8266/modmachine.h
@@ -9,9 +9,7 @@
extern const mp_obj_type_t pyb_rtc_type;
extern const mp_obj_type_t pyb_uart_type;
extern const mp_obj_type_t pyb_i2c_type;
-extern const mp_obj_type_t pyb_spi_type;
-extern const mp_obj_type_t pyb_hspi_type;
-extern const mp_obj_type_t machine_spi_type;
+extern const mp_obj_type_t machine_hspi_type;
MP_DECLARE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_info_obj);