ARM: dts: dt-overlays: Add Support for dra71-evm NAND

Add Support for enabling NAND using overlays in the FIT image for
dra71x-evm.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

arch/arm/boot/dts/ti/dra71-evm-nand.dtso

@@ -0,0 +1,6 @@
+/dts-v1/;
+/plugin/;
+
+&gpmc {
+	status = "okay";
+};

arch/arm/boot/dts/ti/dra71-evm.its

@@ -31,6 +31,14 @@
 			compression = "none";
 			load = <0x83100000>;
 		};
+		fdt@3 {
+			description = "DRA71x-evm NAND";
+			data = /incbin/("dra71-evm-nand.dtbo");
+			type = "flat_dt";
+			arch = "arm";
+			compression = "none";
+			load = <0x83200000>;
+		};
 	};
 
 	configurations {
@@ -44,5 +52,10 @@
 			description = "DRA71x-evm with LCD overlay";
 			fdt = "fdt@2";
 		};
+		dra71-evm-nand {
+			description = "DRA71x-evm with NAND overlay";
+			kernel = "kernel@1";
+			fdt = "fdt@1", "fdt@3";
+		};
 	};
 };