Fixing lv_conf.h file include order - it must come first, because

it contains global defines governing which features will be used,
(and in particular - whether the .h file where lv_conf is included
will be used at all).

lv_misc/lv_fs.h

@@ -13,14 +13,14 @@ extern "C" {
 /*********************
  *      INCLUDES
  *********************/
-#if USE_LV_FILESYSTEM
-
 #ifdef LV_CONF_INCLUDE_SIMPLE
 #include "lv_conf.h"
 #else
 #include "../../lv_conf.h"
 #endif
 
+#if USE_LV_FILESYSTEM
+
 #include <stdint.h>
 #include <stdbool.h>
 #include "lv_mem.h"