ARM64: zynqmp: Add ocm node in dtsi

This patch adds ocm controller node in zynqmp.dtsi.
needed for OCM edac support.

Signed-off-by: Naga Sureshkumar Relli <nagasure@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/arm/dts/zynqmp.dtsi

@@ -629,6 +629,13 @@
 			power-domains = <&pd_i2c1>;
 		};
 
+		ocm: memory-controller@ff960000 {
+			compatible = "xlnx,zynqmp-ocmc-1.0";
+			reg = <0x0 0xff960000 0x1000>;
+			interrupt-parent = <&gic>;
+			interrupts = <0 10 4>;
+		};
+
 		pcie: pcie@fd0e0000 {
 			compatible = "xlnx,nwl-pcie-2.11";
 			status = "disabled";