Merge branches 'per-cpu-thread-hotplug-v3-fixed', 'task-placement-v2', 'cpu-hotplug-get_online_cpus-v1', 'arm-asymmetric-support-v3-v3.6-rc1', 'rcu-hotplug-v1', 'arm-multi_pmu_v1', 'scheduler-misc-v1' and 'config-fragments' into big-LITTLE-MP-v8

Updates:
-------
- Based on v3.6-rc5
- new branch from Paulm: rcu-hotplug-v1, vincent: scheduler-misc-v1 and sudeepk arm-multi_pmu_v1
- new version of patches from Morten: task-placement-v2
- config fragment updated for fast & slow cpu

commands used for merge:
-----------------------
$ git checkout -b big-LITTLE-MP-v8 v3.6-rc5
$ git merge per-cpu-thread-hotplug-v3-fixed per-task-load-average-v3
  task-placement-v2 cpu-hotplug-get_online_cpus-v1
  arm-asymmetric-support-v3-v3.6-rc1 rcu-hotplug-v1 arm-multi_pmu_v1
  scheduler-misc-v1 config-fragments