MSM HOTPLUG: Deallocate resources when disabled BIG TNX to neobuddy89

* Reclaim memory when msm hotplug is disabled.
* Rename suspend/resume helpers to match new start/stop helpers.
* Fire up all CPUs when msm_hotplug_start() is invoked.
  This should help for speedier boot process.

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>

https://github.com/neobuddy89/hammerhead_kernel_caf/commit/15a0e2fb90d3a95920098aa0cef1343365cb7679

Dorimanx:

Manual merges! we are close to full sync.