Disable _FS_LOCK per default with FatFs 0.12c

Aligned with previous FatFS version

Refers to #32

Signed-off-by: Frederic Pillon <[email protected]>

Author: fpistm

src/ffconf_default_68300.h

@@ -273,7 +273,7 @@
 /  These options have no effect at read-only configuration (_FS_READONLY = 1). */
 
 
-#define _FS_LOCK  2
+#define _FS_LOCK  0
 /* The option _FS_LOCK switches file lock function to control duplicated file open
 /  and illegal operation to open objects. This option must be 0 when _FS_READONLY
 /  is 1.