omap2: intelliplug: disable eco_mode and intelli_plug by
default

Signed-off-by: Dan Trifan <jimsth@gmail.com>
intelli_plug: switch to use dedicated high priority workqueue

from the shared global workqueue.  This should prevent hang ups while the
global workqueue is busy and cleaned up some logic issues.

give input boost its own workqueue

bump to version 2.2

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