arm64: dts: hip05: fix its node without msi-cells

Fix commit abf9c25d ("arm64: dts: hip05: Append all gicv3 ITS
entries"), it forgets the property msi-cell, see arm,gic-v3.txt.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

arch/arm64/boot/dts/hisilicon/hip05.dtsi

@@ -249,24 +249,28 @@ gic: interrupt-controller@8d000000 {
 		its_peri: interrupt-controller@8c000000 {
 			compatible = "arm,gic-v3-its";
 			msi-controller;
+			#msi-cells = <1>;
 			reg = <0x0 0x8c000000 0x0 0x40000>;
 		};
 
 		its_m3: interrupt-controller@a3000000 {
 			compatible = "arm,gic-v3-its";
 			msi-controller;
+			#msi-cells = <1>;
 			reg = <0x0 0xa3000000 0x0 0x40000>;
 		};
 
 		its_pcie: interrupt-controller@b7000000 {
 			compatible = "arm,gic-v3-its";
 			msi-controller;
+			#msi-cells = <1>;
 			reg = <0x0 0xb7000000 0x0 0x40000>;
 		};
 
 		its_dsa: interrupt-controller@c6000000 {
 			compatible = "arm,gic-v3-its";
 			msi-controller;
+			#msi-cells = <1>;
 			reg = <0x0 0xc6000000 0x0 0x40000>;
 		};
 	};