This patch brings the driver up to the first stable version.

Changes:

* Remove "redblue" entry under /sys
* Better coding style for comments
* Fix the image downscaling factor calculation
* Fix default color settings for some image sensors
* Fix TAS5130D1B image sensor support
* Other small cleanups
* Remove "EXPERIMENTAL" symbol from KConfig
+ Add support for PAS202BCB sensor (thanks to
  Carlos Eduardo Medaglia Dyonisio)
Signed-off-by: Luca Risolia <luca.risolia@studio.unibo.it>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>