msm: hotplug: Fix broken down_lock logic
msm: hotplug: adjust load levels and fastlane

Thanks a lot:
@xenyz

echo "150" > /sys/module/msm_hotplug/fast_lane_load
echo "1 75 0" > /sys/module/msm_hotplug/load_levels
echo "2 120 60" > /sys/module/msm_hotplug/load_levels
echo "3 180 100" > /sys/module/msm_hotplug/load_levels
echo "4 410 160" > /sys/module/msm_hotplug/load_levels