d2: Lean out bloat ioscheds and governors

* Set Interactive and ROW as default

* Options for Govs: interactive, ondemand, conservative
* Options for ioscheds: cfq, row, deadline

Change-Id: Ia8464323f1b6d58d5c39f0eb7368c8838e710f26
Signed-off-by: bmc08gt <bmc08gt.teamb00sted@gmail.com>