m8: ramdisk update

Remove all traces of pnpmgr
Update interactive governor settings to neobuddy89's for smoothness
Add msm_hotplug lines from myfluxi
Add back mpdecision to fix powerHAL (thank you to myfluxi for disabling
mpdecision hotplug within the kernel)

Change-Id: Ib4068ceb875e69c54f4db8d321ff6a04753f55a7