BFQ v5r1 for 3.4.x kernels:  Applied the following patches from here:

http://algo.ing.unimo.it/people/paolo/disk_sched/sources.php

-0001-block-cgroups-kconfig-build-bits-for-BFQ-v5r1-3.4.patch
-0002-block-introduce-the-BFQ-v5r1-I-O-sched-for-3.4.patch

Signed-off-by:  Paul Beeler <sparksco@gmail.com>
mako defconfig:  enable BFQ i/o scheduler and make it the default

Signed-off-by:  Paul Beeler <sparksco@gmail.com>