Add dts config for mipi display, include vop, mipi controller, panel, backlight . And Enable rk808 for lcd_3v3 in another patch. Signed-off-by: Eric Gao <eric.gao@rock-chips.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>