cpuidle: remove unused exports

This patch removes the following unused exports:
- cpuidle_devices
- cpuidle_register_governor
- cpuidle_unregister_governor

Signed-off-by: Adrian Bunk <[e-mail]>
Signed-off-by: Len Brown <[e-mail]>

drivers/cpuidle/cpuidle.c

···
 #include "cpuidle.h"
 
 DEFINE_PER_CPU(struct cpuidle_device *, cpuidle_devices);
-EXPORT_PER_CPU_SYMBOL_GPL(cpuidle_devices);
 
 DEFINE_MUTEX(cpuidle_lock);
 LIST_HEAD(cpuidle_detected_devices);

drivers/cpuidle/governor.c

···
 	return ret;
 }
 
-EXPORT_SYMBOL_GPL(cpuidle_register_governor);
-
 /**
  * cpuidle_replace_governor - find a replacement governor
  * @exclude_rating: the rating that will be skipped while looking for
···
 	mutex_unlock(&cpuidle_lock);
 }
 
-EXPORT_SYMBOL_GPL(cpuidle_unregister_governor);