Add missing linux68k platform and liblinux support library.

--HG--
branch : dtrg-experimental-powerpc

plat/linux/liblinux/libsys.h

@@ -0,0 +1,15 @@
+/* $Source: /cvsroot/tack/Ack/plat/linux386/libsys/libsys.h,v $
+ * $State: Exp $
+ * $Revision: 1.1 $
+ */
+
+#ifndef LIBSYS_H
+#define LIBSYS_H
+
+#include "syscalls.h"
+
+typedef unsigned long quad;
+
+extern quad _syscall(int op, quad p1, quad p2, quad p3); 
+
+#endif