cpufreq: intelliactive: initial coding and introduction!

intelliactive is based on Latest Google Interactive cpufreq governor from
Google.  The original Interactive provides smooth UI operations but suffers
slight battery drain due to its aggressive policies.  Intelliactive is an
improvement built on top of it.

It has the following enhancements added:
1. self-boost capability from input drivers (no need for PowerHAL assist)
2. two phase scheduling (idle/busy phases to prevent from jumping directly to
   max freq
3. Checks for offline cpus and short circuits some unnecessary checks to
   improve code execution paths
4. removed trace calls

Signed-off-by: Paul Reioux <reioux@gmail.com>
intelliactive: fix race condition when unregistering input handlers

Signed-off-by: Paul Reioux <reioux@gmail.com>
CPUFREQ: give some power to intelliactive! allow max freqs, set 2.3Ghz as boost!
intelliactive: add upstream patches

Signed-off-by: Paul Reioux <reioux@gmail.com>
Imported and adjusted cpufreq get_cpu_idle_time from 3.14 by @Alucard24

https://github.com/Alucard24/Alucard-Kernel-jfltexx/commit/c7d8067cd9702bb42d390dfb8394d0c053429506
https://github.com/Alucard24/Alucard-Kernel-jfltexx/commit/81fe075ee13e1f33ea8a92ead5441bda05eeafb3
intelliactive: make touch boost interface generic

Signed-off-by: Paul Reioux <reioux@gmail.com>