Power management fixes for v4.7-rc2

 - Fix a silly mistake related to the clamp_val() usage in
   a function added by a recent commit (Rafael Wysocki).

 - Reduce the log level of an annoying message added to intel_pstate
   during the recent merge window (Srinivas Pandruvada).
Merge branch 'pm-cpufreq-fixes'

* pm-cpufreq-fixes:
  cpufreq: Fix clamp_val() usage in cpufreq_driver_fast_switch()
  cpufreq: intel_pstate: Downgrade print level for _PPC