usb: xhci-mvebu: Add Armada 8K to compatiblity list

To enable this driver on Armada 7K/8K this patch adds the compatibility
property to the list.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Nadav Haklai <nadavh@marvell.com>
Cc: Neta Zur Hershkovits <neta@marvell.com>
Cc: Kostya Porotchkin <kostap@marvell.com>
Cc: Omri Itach <omrii@marvell.com>
Cc: Igal Liberman <igall@marvell.com>
Cc: Haim Boot <hayim@marvell.com>
Cc: Hanna Hawa <hannah@marvell.com>

drivers/usb/host/xhci-mvebu.c

@@ -79,6 +79,7 @@ static int xhci_usb_ofdata_to_platdata(struct udevice *dev)
 
 static const struct udevice_id xhci_usb_ids[] = {
 	{ .compatible = "marvell,armada3700-xhci" },
+	{ .compatible = "marvell,armada-8k-xhci" },
 	{ }
 };