MIPS: OCTEON: csrc-octeon: include linux/sched/clock.h

Include linux/sched/clock.h to get the declaration for sched_clock().
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21189/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@linux-mips.org

arch/mips/cavium-octeon/csrc-octeon.c

@@ -7,6 +7,7 @@
  * Copyright (C) 2009, 2012 Cavium, Inc.
  */
 #include <linux/clocksource.h>
+#include <linux/sched/clock.h>
 #include <linux/export.h>
 #include <linux/init.h>
 #include <linux/smp.h>