Merge tag 'zynqmp-dt-for-4.5' of https://github.com/Xilinx/linux-xlnx into next/dt64

arm: Xilinx ZynqMP dt patches for v4.5

- Label GPIO controller as interrupt controller

* tag 'zynqmp-dt-for-4.5' of https://github.com/Xilinx/linux-xlnx:
  ARM64: zynqmp: DT: Add interrupt-controller property to GPIO
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm64/boot/dts/xilinx/zynqmp.dtsi

@@ -133,6 +133,8 @@ gpio: gpio@ff0a0000 {
 			clocks = <&misc_clk>;
 			interrupt-parent = <&gic>;
 			interrupts = <0 16 4>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 			reg = <0x0 0xff0a0000 0x1000>;
 		};