Revert "cpuidle: build fix for non-x86"

This reverts commit f757397097d0713c949af76dccabb65a2785782e.
which ironically broke the ia64 build
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index d868d73..2c4b2d4 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -83,7 +83,7 @@
 {
 	if (enabled_devices && (pm_idle != pm_idle_old)) {
 		pm_idle = pm_idle_old;
-		cpuidle_kick_cpus();
+		cpu_idle_wait();
 	}
 }