ARM: dts: hisilicon: fix the system controller compatible nodes

The DT binding for Hisilicon system controllers require to have a
"syscon" compatible string.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

Author: Zhen Lei

arch/arm/boot/dts/hi3620.dtsi

@@ -89,7 +89,7 @@
 		};
 
 		sysctrl: system-controller@802000 {
-			compatible = "hisilicon,sysctrl";
+			compatible = "hisilicon,sysctrl", "syscon";
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges = <0 0x802000 0x1000>;

arch/arm/boot/dts/hip04.dtsi

@@ -213,7 +213,7 @@
 		};
 
 		sysctrl: sysctrl {
-			compatible = "hisilicon,sysctrl";
+			compatible = "hisilicon,sysctrl", "syscon";
 			reg = <0x3e00000 0x00100000>;
 		};