build script updated

Changed the path to the META_INF folder
Script builds now two kernel: regular one and one for tdb users
build script:compiling now with linaro 4.9.2-10.14
cpufreq: create a helper function to get CPU utilization

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
cpufreq: Introduce new relation for freq selection

Introduce CPUFREQ_RELATION_C for frequency selection.
It selects the frequency with the minimum euclidean distance
to target. In case of equal distance between 2 frequencies,
it will select the greater freq.

Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
hotplug:mako_hotplug by franciscofranco:initial introduction
arm:intelli_plug:deactivated

Now we let franco's mako_hotplug be the default one