Merge branches 'arm-asymmetric-support-v3-v3.6-rc1', 'per-cpu-thread-hotplug-v3-fixed', 'fast-slow-cpu-dt-v1' and 'config-fragments' into big-LITTLE-MP-v5

Rebased over: v3.6-rc1

Removed from this merge:
- cpuidle-next-v4 - Already in rc1
- wq-hotplug-v1 - Already in rc1
- arm-asymmetric-support-v3 - Only one patch not mailined others are dropped

$ gco -b big-LITTLE-MP-v5 v3.6-rc1
$ git merge arm-asymmetric-support-v3-v3.6-rc1 per-cpu-thread-hotplug-v3-fixed per-task-load-average-v2 task-placement-v1 fast-slow-cpu-dt-v1 config-fragments