cpufreq: set policy max properly

* how did this ever work?
clock-krait/cpufreq: custom voltage control v1

* TODO: control only available frequencies
deadline: tweak generally recommended for SSDs
deadline: Allow 0ms deadline latency, increase the read speed

Change a timer compare from after to after-equals, thus allowing
0 timeout and making deadline schedule FIFO.

Signed-off-by: xiaobing tu <xiaobing.tu@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
cpufreq: force cpuN policy to match cpu0 when changing freq or gov
Add defconfig flag for the VDD Control

Change-Id: I357d023cd05e49eab6b883a1456a06449ac31275
defconfig: enable VDD Control

Change-Id: I3b09a890d640fb29f61457589e7406a538d7ff33