ARM: dts: OMAP4: Add DES3DES node

OMAP4 has an DES3DES  module that uses the omap-des crypto driver.
Add DT entries for the same.
Signed-off-by: NJoel Fernandes <joelf@ti.com>
Signed-off-by: NBenoit Cousson <bcousson@baylibre.com>

arch/arm/boot/dts/omap4.dtsi

@@ -672,5 +672,14 @@
 			dmas = <&sdma 111>, <&sdma 110>;
 			dma-names = "tx", "rx";
 		};
+
+		des: des@480a5000 {
+			compatible = "ti,omap4-des";
+			ti,hwmods = "des";
+			reg = <0x480a5000 0xa0>;
+			interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
+			dmas = <&sdma 117>, <&sdma 116>;
+			dma-names = "tx", "rx";
+		};
 	};
 };