[Feature][ZXW-33]merge ZXW 0428 version

Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/misc/getclktck.c b/ap/libc/glibc/glibc-2.23/misc/getclktck.c
new file mode 100644
index 0000000..c94f3ec
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/misc/getclktck.c
@@ -0,0 +1,29 @@
+/* Copyright (C) 2000-2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <time.h>
+
+/* Return frequency of times().  */
+int
+__getclktck (void)
+{
+#ifdef	CLK_TCK
+  return CLK_TCK;
+#else
+  return 60;
+#endif
+}