cpufreq: Add "bacon" governor

* This is nothing but polished interactive governor
  branded as "bacon" since it was adapted from bacon
  device.
* It is minimally tuned in the code. Full configuration
  is required in ramdisk for it to work properly.
* Added on mass demand.

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Signed-off-by: Dan Trifan <jimsth@gmail.com>
defconfig: updates for bacon cpugov

Signed-off-by: Dan Trifan <jimsth@gmail.com>