Merge branch 'pm-cpuidle'

* pm-cpuidle:
  drivers/cpuidle: make cpuidle-exynos.c explicitly non-modular
  drivers/cpuidle: make cpuidle-ux500.c explicitly non-modular
  drivers/cpuidle: make cpuidle-clps711x.c explicitly non-modular
  cpuidle,menu: smooth out measured_us calculation
  cpuidle,menu: use interactivity_req to disable polling
  cpuidle,x86: increase forced cut-off for polling to 20us