Rename LITTLEFS to LittleFS to match ESP8266 (#5396)

Fixes: https://github.com/espressif/arduino-esp32/issues/5103

libraries/LittleFS/examples/LITTLEFS_PlatformIO/platformio.ini

@@ -0,0 +1,35 @@
+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[platformio]
+default_envs = esp32
+
+[env]
+framework = arduino
+
+[env:esp32]
+platform = espressif32
+;platform = https://github.com/platformio/platform-espressif32.git
+;board_build.mcu = esp32
+platform_packages = framework-arduinoespressif32 @ https://github.com/espressif/arduino-esp32.git
+
+build_flags = 
+	${env.build_flags} 
+	-D=${PIOENV} 
+	;-D CONFIG_LITTLEFS_FOR_IDF_3_2
+
+lib_deps = https://github.com/lorol/LITTLEFS.git
+
+board = esp32dev
+;board_build.partitions = partitions_custom.csv
+monitor_filters = esp32_exception_decoder
+monitor_speed = 115200
+
+extra_scripts = ./littlefsbuilder.py