Merge branch 'pm-cpuidle'

* pm-cpuidle:
  cpuidle: delay enabling interrupts until all coupled CPUs leave idle
  cpuidle: poll state can measure residency
  cpuidle: Move perf multiplier calculation out of the selection loop
  cpuidle: Do not substract exit latency from assumed sleep length
  cpuidle: Ensure menu coefficients stay within domain
  cpuidle: Use actual state latency in menu governor
  cpuidle: rename expected_us to next_timer_us in menu governor