cfq-iosched: Apply RedHat suggested tunings for fast storage

Apply tunings from redHat[1] for faster storage.

[1]: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/pdf/performance_tuning_guide/red_hat_enterprise_linux-7-performance_tuning_guide-en-us.pdf


(Section 8.4.5.1)

Change-Id: Ie8e3f7898d661362212d3eac5fe854362048ce94
Signed-off-by: Panchajanya1999 <panchajanya@azure-dev.live>
Signed-off-by: Cyber Knight <cyberknight755@gmail.com>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>