Simple sd card driver (#162)

* fixed inline functions for modern C standart

* more stack for application

* added library

* init fatfs library

* fatfs example application

* Merge with current master

* fix typo and delete old files

* cmsis os 2 reentrance fix

* Reworked dependency wait to support multiple dependency

* Build FatFS on local target, syscall.c is target-specific.

* run local target ok

* testcase for fatfs

Co-authored-by: aanper <mail@s3f.ru>

lib/fatfs/option/unicode.c

@@ -0,0 +1,17 @@
+#include "../ff.h"
+
+#if _USE_LFN != 0
+
+#if   _CODE_PAGE == 932	/* Japanese Shift_JIS */
+#include "cc932.c"
+#elif _CODE_PAGE == 936	/* Simplified Chinese GBK */
+#include "cc936.c"
+#elif _CODE_PAGE == 949	/* Korean */
+#include "cc949.c"
+#elif _CODE_PAGE == 950	/* Traditional Chinese Big5 */
+#include "cc950.c"
+#else					/* Single Byte Character-Set */
+#include "ccsbcs.c"
+#endif
+
+#endif