Try to group tasks into least cores possible. 2 for most aggressive. http://elinux.org/images/1/1d/Comparing_Power_Saving_Techniques_For_Multicore_ARM_Platforms.pdf

Signed-off-by: rachit-rc <rachit.rc.rawat@gmail.com>
Added -w flag to skip warnings
cpufreq.h: fix up typo