migrate everything to powersuspend.
this is the result of
find ./ -type f -exec sed -i -e 's/early_suspend/power_suspend/g' {} \;
find ./ -type f -exec sed -i -e 's/earlysuspend/powersuspend/g' {} \;
find ./ -type f -exec sed -i -e 's/CONFIG_HAS_EARLYSUSPEND/CONFIG_POWERSUSPEND/g' {} \;
and some fixes by hand