ARM: dts: dm814x: dra62x: Fix NAND device nodes

Add compatible id, GPMC register resource and interrupt
resource to NAND controller nodes.

The GPMC node will provide an interrupt controller for the
NAND IRQs.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/boot/dts/dm814x.dtsi b/arch/arm/boot/dts/dm814x.dtsi
index f752ac1..4a6ce8c 100644
--- a/arch/arm/boot/dts/dm814x.dtsi
+++ b/arch/arm/boot/dts/dm814x.dtsi
@@ -566,6 +566,8 @@
 			gpmc,num-waitpins = <2>;
 			#address-cells = <2>;
 			#size-cells = <1>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 		};
 	};
 };