Added fsync on/off support.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
Signed-off-by: flar2 <asegaert@gmail.com>
Signed-off-by: Jean Francis Dominique S. Mabalot <jmabalot@google.com>
sched: set mc_power_savings=2
this feature packs tasks together and try to bind them to cpu0, which in theory will let cpu1 idle longer, thus improving battery life.

Info: http://elinux.org/images/1/1d/Comparing_Power_Saving_Techniques_For_Multicore_ARM_Platforms.pdf

Signed-off-by: Jean Francis Dominique S. Mabalot <jfdsmabalot@gmail.com>
Signed-off-by: Jean Francis Dominique S. Mabalot <jmabalot@google.com>