Revert "Simple GPU governor: fix a merge derp"

This reverts commit 241e8239d26606594427308d147890876539809d.
Revert "GPU Simple Governor: adapt GPU Simple Governor for Snapdrgaon 800 SOCs"

This reverts commit 38f68306c0fe2b13d6e2997a3581cf6badb0d89c.
Add Interactive by Franco

Includes:

Signed-off-by: Chester Kener <Cl3Kener@gmail.com>

kgsl: merge Interactive GPU governor.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>

msm: gpu: improve my gpu governor algorithm.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>

msm: kgsl: small change on the do_div operation.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>

msm: kgsl: no need to cast long because jiffies and window_time are already long.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>

msm: kgsl: change the load calculation equation & fix a couple of bugs, one of 'em was keeping the GPU on 320MHz if the GPU was not sleeping.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>

msm: kgsl: don't forcefully ramp down on sleep if there's still load higher than down_threshold.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>

msm: kgsl: remove the sample_time_ms and let the governor run its idle_check freely like Qualcomm intends. I was seeing some frames being lost because the sample_time_ms was too big.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>