Added linux386 platform.

plat/linux386/libsys/gettimeofday.c

@@ -0,0 +1,16 @@
+/* $Source$
+ * $State$
+ * $Revision$
+ */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
+#include "libsys.h"
+
+int gettimeofday(struct timeval *tv, struct timezone *tz)
+{
+	return _syscall(__NR_gettimeofday, (quad) tv, (quad) tz, 0);
+}