cpuidle: remove some empty lines

This mindless patch is just about removing some trailing
carriage returns.

[rjw: Changed the subject.]
Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl>

drivers/cpuidle/driver.c

@@ -41,7 +41,6 @@ static void __cpuidle_register_driver(struct cpuidle_driver *drv)
 	}
 }
 
-
 /**
  * cpuidle_register_driver - registers a driver
  * @drv: the driver
@@ -65,7 +64,6 @@ int cpuidle_register_driver(struct cpuidle_driver *drv)
 
 	return 0;
 }
-
 EXPORT_SYMBOL_GPL(cpuidle_register_driver);
 
 /**
@@ -96,7 +94,6 @@ void cpuidle_unregister_driver(struct cpuidle_driver *drv)
 
 	spin_unlock(&cpuidle_driver_lock);
 }
-
 EXPORT_SYMBOL_GPL(cpuidle_unregister_driver);
 
 struct cpuidle_driver *cpuidle_driver_ref(void)