Idf release/v4.2 - corrections of LITTLEFS and tools (#4515)

* Update package_esp32_index.template.json

Fix of wrong file type

* Update LITTLEFS.cpp

Suppress warnings fix.

libraries/LITTLEFS/src/LITTLEFS.cpp

@@ -20,9 +20,9 @@ extern "C" {
 #include <sys/unistd.h>
 #include <sys/stat.h>
 #include <dirent.h>
-#include "esp_littlefs.h"
 #undef B110
 #undef B1000000
+#include "esp_littlefs.h"    
 }
 
 #include "LITTLEFS.h"

package/package_esp32_index.template.json

@@ -190,8 +190,8 @@
                  "host": "i686-pc-linux-gnu",
                  "url": "https://github.com/lorol/arduino-esp32fatfs-plugin/raw/master/extra/mkfatfs.tar.gz",
                  "archiveFileName": "mkfatfs.tar.gz",
-                 "checksum": "SHA-256:641322f1107796d7d77eacfdca0377a942e20fc7c228c6b2aa807dda5117e0af",
-                 "size": "112148"
+                 "checksum": "SHA-256:41dc0346a38d6aab5674d4301937868e69471b69d8317ed667d2eeb7c4a077ee",
+                 "size": "102575"
               },
               {
                  "host": "i686-mingw32",