cpufreq: break earlier if target_freq is equal to current freq. Also fetch a fix from @imoseyon to update other cpuX nodes when cpu0 gets updated (max/min/gov).

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
KGSL: when the GPU load is high for a longer period online all offlined cores and block hotplug operations until the GPU load is down the threshold again.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
mako_hotplug: clean the code.

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