ARM: dts: rockchip: rename rk3228.dtsi to rk322x.dtsi

We have the brother chipset that RK3228 and RK3229, they share most
of dts configuration, but there are a number of different features.
In order to develop the future when they are easy to distinguish,
we need them to be independent.
Signed-off-by: NXing Zheng <zhengxing@rock-chips.com>
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rk3228-evb.dts

@@ -40,7 +40,7 @@
 
 /dts-v1/;
 
-#include "rk3228.dtsi"
+#include "rk322x.dtsi"
 
 / {
 	model = "Rockchip RK3228 Evaluation board";

arch/arm/boot/dts/rk3228.dtsi → arch/arm/boot/dts/rk322x.dtsi

@@ -47,8 +47,6 @@
 #include "skeleton.dtsi"
 
 / {
-	compatible = "rockchip,rk3228";
-
 	interrupt-parent = <&gic>;
 
 	aliases {