Git repo to clean up em8300 driver.

- remove old 2.6 kernel stuff --> will only compile with recent 2.6 kernel
-- make use of devm_ functions

- use kernles encoders for adv7xx and bt865
-- we need to extend current adv7175 and adv7170 drivers
   to support media-bus.
-- add bt865 driver to mainline kernel

- convert to use v4l2 interface
-- make use of encoder interface