fork the esp-idf fatfs for f_forward and exfat support

lib/fatfs/test_fatfs_host/Makefile.files

@@ -0,0 +1,44 @@
+SOURCE_FILES := \
+	$(addprefix ../src/, \
+		ff.c \
+		ffunicode.c \
+	) \
+	$(addprefix ../diskio/,\
+		diskio.c \
+		diskio_wl.c \
+	) \
+	../port/linux/ffsystem.c
+
+INCLUDE_DIRS := \
+	. \
+	../diskio \
+	../src \
+	$(addprefix ../../spi_flash/sim/stubs/, \
+		app_update/include \
+		driver/include \
+		freertos/include \
+		newlib/include \
+		sdmmc/include \
+		vfs/include \
+	) \
+	$(addprefix ../../../components/, \
+		esp_rom/include \
+		esp_hw_support/include \
+		esp_hw_support/include/soc \
+		esp_system/include \
+		log/include \
+		xtensa/include \
+		xtensa/esp32/include \
+		soc/esp32/include \
+                heap/include \
+		soc/include \
+		esp32/include \
+		esp_common/include \
+		bootloader_support/include \
+		bootloader_support/bootloader_flash/include \
+		app_update/include \
+		hal/include \
+		spi_flash/include \
+		wear_levelling/include \
+		esp_partition/include \
+	)