Merge branch 'cpuidle/4.1' of http://git.linaro.org/people/daniel.lezcano/linux into pm-cpuidle

Pull ARM cpuidle changes for v4.1 from Daniel Lezcano.

* 'cpuidle/4.1' of http://git.linaro.org/people/daniel.lezcano/linux:
  ARM: cpuidle: Document the code
  ARM: cpuidle: Register per cpuidle device
  ARM: cpuidle: Enable the ARM64 driver for both ARM32/ARM64
  ARM64: cpuidle: Remove arm64 reference
  ARM64: cpuidle: Rename cpu_init_idle to a common function name
  ARM64: cpuidle: Replace cpu_suspend by the common ARM/ARM64 function
  ARM: cpuidle: Add a cpuidle ops structure to be used for DT
  ARM: cpuidle: Remove duplicate header inclusion