Rockchip RGA is a separate 2D raster graphic acceleration unit. It
accelerates 2D graphics operations, such as point/line drawing, image
scaling, rotation, BitBLT, alpha blending and image blur/sharpness.
Change-Id: I9be8d683ea04802affb973b8b1ada646afe411d7
Signed-off-by: Yakir Yang <ykk@rock-chips.com>