intelli_plug: restore hysteresis value for quad back to 8

this will reduce the jumpiness of hotplug decisions

Signed-off-by: faux123 <reioux@gmail.com>
intelli_plug: disable by default

let the user enable via sysfs so it won't clash with mpdecision which is
enabled by default for qualcomm phones

Signed-off-by: faux123 <reioux@gmail.com>
intellidemand: allow clean compilation when LMF is disabled
bumped version to 4.2

Signed-off-by: faux123 <reioux@gmail.com>