update lib/oofatfs/ff.h

lib/oofatfs/ff.h

@@ -50,6 +50,8 @@ typedef uint32_t DWORD;
 /* This type MUST be 64-bit (Remove this for C89 compatibility) */
 typedef uint64_t QWORD;
 
+#define FFCONF_H "lib/oofatfs/ffconf.h"
+
 #include FFCONF_H          /* FatFs configuration options */
 
 #if _FATFS != _FFCONF