ARM: dts: mvebu: armada-398-db: enable supported usb interfaces

The Marvell Armada 398 Development board contains both USB2.0 and USB3.0
ports, which can be handled by existing drivers.
Signed-off-by: NGrzegorz Jaszczyk <jaz@semihalf.com>
Acked-by: NGregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: NGregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm/boot/dts/armada-398-db.dts

@@ -84,6 +84,10 @@
 				status = "okay";
 			};
 
+			usb@58000 {
+				status = "okay";
+			};
+
 			flash@d0000 {
 				status = "okay";
 				pinctrl-0 = <&nand_pins>;
@@ -108,6 +112,10 @@
 					reg = <0x1000000 0x3f000000>;
 				};
 			};
+
+			usb3@f8000 {
+				status = "okay";
+			};
 		};
 
 		pcie-controller {