Add console settings like stdin, stdout and stderr as usbkbd and vidconsole respectively for evb-rk3288 targets. This would certainly help to detect the attached video devices (like HDMI) and print the console messages on display. Signed-off-by: Suniel Mahesh <sunil@amarulasolutions.com> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>