powerpc: dts: t2080: add QorIQ DPAA 1 FMan v3 nodes

Add the QorIQ DPAA 1 FMan v3 device tree nodes for the T2080 SoC.
The device tree nodes are copied over with little modification from
the Linux kernel source code.
Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>

arch/powerpc/dts/t2080si-post.dtsi

+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * T2080 Silicon/SoC Device Tree Source (post include)
+ *
+ * Copyright 2013 Freescale Semiconductor Inc.
+ * Copyright 2021 NXP
+ *
+ */
+&soc {
+
+/include/ "qoriq-clockgen2.dtsi"
+/include/ "qoriq-gpio-0.dtsi"
+/include/ "qoriq-gpio-1.dtsi"
+/include/ "qoriq-gpio-2.dtsi"
+/include/ "qoriq-gpio-3.dtsi"
+
+/include/ "qoriq-fman3-0.dtsi"
+/include/ "qoriq-fman3-0-10g-0-best-effort.dtsi"
+/include/ "qoriq-fman3-0-10g-1-best-effort.dtsi"
+/include/ "qoriq-fman3-0-1g-2.dtsi"
+/include/ "qoriq-fman3-0-1g-3.dtsi"
+/include/ "qoriq-fman3-0-10g-0.dtsi"
+/include/ "qoriq-fman3-0-10g-1.dtsi"
+	fman@400000 {
+		enet0: ethernet@e0000 {
+		};
+
+		enet1: ethernet@e2000 {
+		};
+
+		enet2: ethernet@e4000 {
+		};
+
+		enet3: ethernet@e6000 {
+		};
+
+		enet6: ethernet@f0000 {
+		};
+
+		enet7: ethernet@f2000 {
+		};
+
+		mdio@fc000 {
+			interrupts = <100 1 0 0>;
+		};
+
+		mdio@fd000 {
+			interrupts = <101 1 0 0>;
+		};
+	};
+};