omap2: intelliplug: remove quadcore stuff to avoid log spaming

Signed-off-by: Willi Ye <williye97@gmail.com>
Signed-off-by: Dan Trifan <jimsth@gmail.com>
omap2: intelliplug: disable eco_mode and intelli_plug by
default

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