fbdev: Add gcnfb framebuffer device driver for gamecube/wii

based on Farter's work.

URL: https://fartersoft.com/blog/2011/07/31/hacking-up-an-rgb-framebuffer-driver-for-wii-linux-take-two
Signed-off-by: Maximilian Downey Twiss <creatorsmithmdt@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
9 files changed