pm-4.20-rc1-2

 - Fix build regression in the intel_pstate driver that doesn't
   build without CONFIG_ACPI after recent changes (Dominik Brodowski).

 - One of the heuristics in the menu cpuidle governor is based on a
   function returning 0 most of the time, so drop it and clean up
   the scheduler code related to it (Daniel Lezcano).

 - Prevent the arm_big_little cpufreq driver from being used on ARM64
   which is not suitable for it and drop the arm_big_little_dt driver
   that is not used any more (Sudeep Holla).

 - Prevent the hung task watchdog from triggering during resume from
   system-wide sleep states by disabling it before freezing tasks and
   enabling it again after they have been thawed (Vitaly Kuznetsov).