ARM64: dts: marvell: armada-37xx: Enable USB2 on espressobin

The Espressobin SBC has a USB2 interface available on J8. Let's
enable it.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
index e3a136e..b1af3f98 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
@@ -81,6 +81,11 @@
 	status = "okay";
 };
 
+/* J8 */
+&usb2 {
+	status = "okay";
+};
+
 &mdio {
 	switch0: switch0@1 {
 		compatible = "marvell,mv88e6085";