arm64: dts: zynqmp: Enable reset controller driver

Enable reset controller to be prepared for use.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/4fb62952f61e5046d750fff0e3e469c7abd1d0d0.1611224800.git.michal.simek@xilinx.com
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

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

@@ -187,6 +187,11 @@
 			xlnx_aes: zynqmp-aes {
 				compatible = "xlnx,zynqmp-aes";
 			};
+
+			zynqmp_reset: reset-controller {
+				compatible = "xlnx,zynqmp-reset";
+				#reset-cells = <1>;
+			};
 		};
 	};