Power management fixes for v4.6-rc5

 - Fix an intel_pstate driver problem causing CPUs to get stuck in
   the highest P-state when completely idle uncovered by the recent
   switch over from using timers (Rafael Wysocki).

 - Avoid attempts to get the current CPU frequency when all devices
   (like I2C controllers that may be nedded for that purpose) have
   been suspended during system suspend/resume (Rafael Wysocki).

/
Merge branch 'pm-cpufreq-fixes'

* pm-cpufreq-fixes:
  cpufreq: Abort cpufreq_update_current_freq() for cpufreq_suspended set
  intel_pstate: Avoid getting stuck in high P-states when idle