intelli_plug: intelligent hotplug cpu driver with eco mode v3.7 (faux123)

- squashed commit
intelli_plug: intelligent hotplug cpu driver with eco mode v3.8 (faux123)

intelli_plug: initialize ip_info struct element during driver init

this will eliminate race issues

Signed-off-by: Paul Reioux <reioux@gmail.com>

intelli_plug: use primary CPU's info data for non-boot cpu's settings

Async CPU design has caused quite a bit of grief for controlling cpu
frequencies

bump to version 3.8

Signed-off-by: Paul Reioux <reioux@gmail.com>