ARM: highbank: enable sp804 based sched_clock

Initialize sched_clock to use the sp804 timer.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index 8394d51..a96183e 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -109,7 +109,7 @@
 
 	highbank_clocks_init();
 
-	sp804_clocksource_init(timer_base + 0x20, "timer1");
+	sp804_clocksource_and_sched_clock_init(timer_base + 0x20, "timer1");
 	sp804_clockevents_init(timer_base, irq, "timer0");
 }