ARM: dts: AM437X: Add DES node

AM437x SoC has a DES3DES module similar to the one on OMAP4.
Add DT node for the same.
Signed-off-by: NJoel Fernandes <joelf@ti.com>
Signed-off-by: NBenoit Cousson <bcousson@baylibre.com>

arch/arm/boot/dts/am4372.dtsi

@@ -418,5 +418,12 @@
 			reg = <0x53501000 0xa0>;
 			interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
 		};
+
+		des: des@53701000 {
+			compatible = "ti,omap4-des";
+			ti,hwmods = "des";
+			reg = <0x53701000 0xa0>;
+			interrupts = <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>;
+		};
 	};
 };