fix lwip include paths for updated esp-idf

Author: HipsterBrown

tools/mcconfig/make.esp32.mk

@@ -61,8 +61,9 @@ INC_DIRS = \
  	$(IDF_PATH)/components/freertos \
  	$(IDF_PATH)/components/freertos/include \
  	$(IDF_PATH)/components/freertos/include/freertos \
- 	$(IDF_PATH)/components/lwip/include/lwip \
- 	$(IDF_PATH)/components/lwip/include/lwip/port \
+ 	$(IDF_PATH)/components/lwip/lwip/src/include \
+ 	$(IDF_PATH)/components/lwip/port/esp32/include \
+ 	$(IDF_PATH)/components/lwip/port/esp32/include/arch \
  	$(IDF_PATH)/components/mbedtls/include \
  	$(IDF_PATH)/components/spi_flash/include \
  	$(IDF_PATH)/components/vfs/include \

tools/mcconfig/nmake.esp32.mk

@@ -74,8 +74,9 @@ INC_DIRS = \
 	-I$(IDF_PATH)\components\freertos \
 	-I$(IDF_PATH)\components\freertos\include \
 	-I$(IDF_PATH)\components\freertos\include\freertos \
-	-I$(IDF_PATH)\components\lwip\include\lwip \
-	-I$(IDF_PATH)\components\lwip\include\lwip\port \
+	-I$(IDF_PATH)\components\lwip\lwip\src\include \
+	-I$(IDF_PATH)\components\lwip\port\esp32\include \
+	-I$(IDF_PATH)\components\lwip\port\esp32\include\arch \
 	-I$(IDF_PATH)\components\mbedtls\include \
 	-I$(IDF_PATH)\components\spi_flash\include \
 	-I$(IDF_PATH)\components\vfs\include \