m8: remove HTC/Qualcomm power management, our in kernel stuff is better

No more mpdecision, no more pnpmgr, no more CM power profiles
Credit: xboxfanj
Use cortex-a15 instead of cortex-a9

Credit: @metalspring
m8: remove pnpmgr from ramdisk

Thanks to interloper for catching a bunch of lines I missed

Change-Id: Ic380ec47d3fa0edb0f59f3b8dfe4a71c6e008196