This add support for Rayeager PX2, Rockchip PX2 based development board
made by ChipSPARK.
Signed-off-by: NFUKAUMI Naoki <naobsd@gmail.com>
Tested-by: NAndy Yan <andy.yan@rock-chips.com>
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>