msm_otg: hack to allow externally powered usb host mode
HACK: add sysfs interface to ziddey's MSM OTG hack for N4

this allows for normal / OTG Hack based on user sysfs command.
minor code clean up as well.

Signed-off-by: Paul Reioux <reioux@gmail.com>
HACK USB OTG: fix logic derp

Signed-off-by: Paul Reioux <reioux@gmail.com>
msm: otg: try to fix charging while in use
gpu: overclock: set 487Mhz by default
msm: gpu: make overclock selectable via config