Power management and ACPI updates for v4.4-rc1

 - ACPICA update to upstream revision 20150930 (Bob Moore, Lv Zheng).

   The most significant change is to allow the AML debugger to be
   built into the kernel.  On top of that there is an update related
   to the NFIT table (the ACPI persistent memory interface)
   and a few fixes and cleanups.

 - ACPI CPPC2 (Collaborative Processor Performance Control v2)
   support along with a cpufreq frontend (Ashwin Chaugule).

   This can only be enabled on ARM64 at this point.

 - New ACPI infrastructure for the early probing of IRQ chips and
   clock sources (Marc Zyngier).

 - Support for a new hierarchical properties extension of the ACPI
   _DSD (Device Specific Data) device configuration object allowing
   the kernel to handle hierarchical properties (provided by the
   platform firmware this way) automatically and make them available
   to device drivers via the generic device properties interface
   (Rafael Wysocki).

 - Generic device properties API extension to obtain an index of
   certain string value in an array of strings, along the lines of
   of_property_match_string(), but working for all of the supported
   firmware node types, and support for the "dma-names" device
   property based on it (Mika Westerberg).

 - ACPI core fix to parse the MADT (Multiple APIC Description Table)
   entries in the order expected by platform firmware (and mandated
   by the specification) to avoid confusion on systems with more than
   255 logical CPUs (Lukasz Anaczkowski).

 - Consolidation of the ACPI-based handling of PCI host bridges
   on x86 and ia64 (Jiang Liu).

 - ACPI core fixes to ensure that the correct IRQ number is used to
   represent the SCI (System Control Interrupt) in the cases when
   it has been re-mapped (Chen Yu).

 - New ACPI backlight quirk for Lenovo IdeaPad S405 (Hans de Goede).

 - ACPI EC driver fixes (Lv Zheng).

 - Assorted ACPI fixes and cleanups (Dan Carpenter, Insu Yun, Jiri
   Kosina, Rami Rosen, Rasmus Villemoes).

 - New mechanism in the PM core allowing drivers to check if the
   platform firmware is going to be involved in the upcoming system
   suspend or if it has been involved in the suspend the system is
   resuming from at the moment (Rafael Wysocki).

   This should allow drivers to optimize their suspend/resume
   handling in some cases and the changes include a couple of users
   of it (the i8042 input driver, PCI PM).

 - PCI PM fix to prevent runtime-suspended devices with PME enabled
   from being resumed during system suspend even if they aren't
   configured to wake up the system from sleep (Rafael Wysocki).

 - New mechanism to report the number of a wakeup IRQ that woke up
   the system from sleep last time (Alexandra Yates).

 - Removal of unused interfaces from the generic power domains
   framework and fixes related to latency measurements in that
   code (Ulf Hansson, Daniel Lezcano).

 - cpufreq core sysfs interface rework to make it handle CPUs that
   share performance scaling settings (represented by a common
   cpufreq policy object) more symmetrically (Viresh Kumar).

   This should help to simplify the CPU offline/online handling among
   other things.

 - cpufreq core fixes and cleanups (Viresh Kumar).

 - intel_pstate fixes related to the Turbo Activation Ratio (TAR)
   mechanism on client platforms which causes the turbo P-states
   range to vary depending on platform firmware settings (Srinivas
   Pandruvada).

 - intel_pstate sysfs interface fix (Prarit Bhargava).

 - Assorted cpufreq driver (imx, tegra20, powernv, integrator) fixes
   and cleanups (Bai Ping, Bartlomiej Zolnierkiewicz, Shilpasri G
   Bhat, Luis de Bethencourt).

 - cpuidle mvebu driver cleanups (Russell King).

 - OPP (Operating Performance Points) framework code reorganization
   to make it more maintainable (Viresh Kumar).

 - Intel Broxton support for the RAPL (Running Average Power Limits)
   power capping driver (Amy Wiles).

 - Assorted power management code fixes and cleanups (Dan Carpenter,
   Geert Uytterhoeven, Geliang Tang, Luis de Bethencourt, Rasmus
   Villemoes).

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