drivers/video: fb driver now clears framebuffer initially. Eliminates (or minimizes) initial garbage on the display.
configs/open1788: Initialization now follows the pattern of other boards. Add initialization of fb driver.
configs/open1788: Add a configuration for testing the framebuffer driver.
drivers/video/fb.c: Framebuffer driver is code complete but as of yet untested.
drivers/video/fb.c: Add framebuffer character device. This is basically only the framework for the driver; a lot of logic is still missing.