uber-cfg: Default is BFQ

* I'm not sure what we are doing here.  I realize cfq is generally the kernel.org default but for uber default is bfq.  I want users to be able to return to stock UBER value which is bfq since it does a better job than cfq imo.

Signed-off-by: Chet Kener <Cl3Kener@gmail.com>