Merge branch 'pm-cpuidle'

* pm-cpuidle:
  cpuidle: Remove time measurement in poll state
  cpuidle: Remove manual selection of the multiple driver support
  cpuidle: ladder governor - use macro instead of hardcoded value
  cpuidle: big_little: Fix build error
  cpuidle: menu governor - remove unused macro STDDEV_THRESH
  cpuidle: fix permission for driver name sysfs node
  cpuidle: move idle traces to cpuidle_enter_state()