Add SIO and FIOPS i/o schedulers

Signed-off-by: aatjitra <aatjitra@gmail.com>
Signed-off-by: Ardi <aatjitra@gmail.com>
Enable sched_mc_power_saving

Signed-off-by: aatjitra <aatjitra@gmail.com>
Signed-off-by: Ardi <aatjitra@gmail.com>
Readahead buffer to 1024k

Signed-off-by: aatjitra <aatjitra@gmail.com>
Signed-off-by: Ardi <aatjitra@gmail.com>