ARM: dts: rockchip: add "rockchip,rk3228-grf" compatible for rk322x grf node

rockchip,rk3228-grf is used both for rk3228 and rk3229.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
1 file changed