reorder slow clock source read for clock source watchdog

the clock source watchdog (HPET) in skx is much slower than the clock source TSC. The long latency in the first call may trigger a false postive TSC unstable noise. Let the fast one follows the slow one should fix it.

---
 kernel/time/clocksource.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

index ffe081623aec..8ea929e50ca6 100644
@@ -225,8 +225,8 @@ static void clocksource_watchdog(struct timer_list *unused)
 		}
 
 		local_irq_disable();
-		csnow = cs->read(cs);
 		wdnow = watchdog->read(watchdog);
+		csnow = cs->read(cs);
 		local_irq_enable();
 
 		/* Clocksource initialized ? */

2.14.4