ACPI and power management fixes for 3.15-rc3

 - Fix for broken ACPI notifications on some systems caused by
   a recent ACPI hotplug commit that blocked the propagation of
   unknown type notifications to device drivers inadvertently.

 - intel_idle fix to make the IvyTown C-states handling (added
   recently) work as intended which now is broken due to missing
   braces.  From Christoph Jaeger.

 - ACPICA fix to make it allocate buffers of the right sizes for
   the Generic Serial Bus operation region access.  From Lv Zheng.

 - PM core fix unblocking cpuidle before entering the "freeze"
   sleep state which causes that state to be able to actually save
   more energy than runtime idle.

 - Configuration and build fixes for the highbank and powernv
   cpufreq drivers from Kefeng Wang and Srivatsa S Bhat.

 - Coccinelle warning fix related to error pointers for the
   unicore32 cpufreq driver from Duan Jiong.

 - Integer overflow fix for the ppc-corenet cpufreq driver from
   Geert Uytterhoeven.

 - Workaround for BIOSes that don't report the entire Intel MCH
   area in their ACPI tables from Bjorn Helgaas.

 - ACPI tools Makefile fix and cleanup from Thomas Renninger.

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