gpu control: finally fix it

Change-Id: I0bead8f62a75fe300c6a09b3fbc053a3f20a963d
Revert "rq_stats: add run queue statistic collection to kernel tick scheduler"

This reverts commit 6cf5e0f637714a9656fe4099b019722a4af082c6.

Conflicts:
	arch/arm/mach-exynos/Kconfig

Change-Id: I39e312214bbaeb28e4f5b69307cdb9003cff3c90
Revert "intelli_plug: intelligent hotplug cpu driver with eco mode"

This reverts commit 439259e1d15ac8c4018a2156efbd209e0c043948.

Change-Id: I009f25cd2f53102724a34d27fc60d3f4b1b33a5a
version 1.8.0 + removed CONFIG_INTELLI_PLUG=y, as the driver got removed from kernel

Change-Id: Id19d9cdb5c93fbcef6fbd498bc4dfe517a5afe05
version 1.8.1

Change-Id: Ib8358564685986f44ee6abbc4896e9949172c5bb
gpu control: Global voltage delta (yank555-lu)

Change-Id: I29e2063b17acf93bddf539201be20c579169ced3
gpu control: internal apply voltage changes as deltas to default voltage.
if one lowers voltage of i.e lowest step by 25mv compared to default voltage, this delta again gets applied after freq of lowest step gets changed.
all voltage deltas are shown in /sys/class/misc/gpu_control/gpu_voltage_delta.
all voltage deltas are reset by: echo 1 > /sys/class/misc/gpu_control/gpu_voltage_delta

Change-Id: I205aaacbda7b520575c795990d685e0e4b9893ed