arm64: dts: lx2160a: add emdio1 node

Add the External MDIO1 device node found in the WRIOP global memory
region. This is needed for management of external PHYs.
Signed-off-by: NIoana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi

@@ -939,6 +939,17 @@
 			fsl,extts-fifo;
 		};
 
+		/* WRIOP0: 0x8b8_0000, E-MDIO1: 0x1_6000 */
+		emdio1: mdio@8b96000 {
+			compatible = "fsl,fman-memac-mdio";
+			reg = <0x0 0x8b96000 0x0 0x1000>;
+			interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			little-endian;
+			status = "disabled";
+		};
+
 		fsl_mc: fsl-mc@80c000000 {
 			compatible = "fsl,qoriq-mc";
 			reg = <0x00000008 0x0c000000 0 0x40>,