o add ff lib

o add ff lib samples
o add ff linux sample

tools/ffsample/lpc2k/monitor.h

@@ -0,0 +1,12 @@
+#include "integer.h"
+#include "comm.h"
+#define xgetc()		(char)uart0_get()
+
+int xatoi (char**, long*);
+void xputc (char);
+void xputs (const char*);
+void xitoa (long, int, int);
+void xprintf (const char*, ...);
+void put_dump (const BYTE*, DWORD ofs, int cnt);
+void get_line (char*, int len);
+