cpu hotplug: convert more drivers (batch #6 and last)

From: Sebastian Andrzej Siewior
Date: Sat Nov 26 2016 - 18:14:25 EST

Another small batch of drivers converted to the new hotplug state engine.
The whole series is also available at
git://git.kernel.org/pub/scm/linux/kernel/git/bigeasy/hotplug-staging.git smp/hotplug

on top of tip/smp/hotplug (which includes last batch and is still on top of