dm: usb: Set desc_before_addr from ehci dm code

Without this usb-1 device descriptors do not get read properly.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 9471bcb..46d01d4 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1579,12 +1579,15 @@
 		  struct ehci_hcor *hcor, const struct ehci_ops *ops,
 		  uint tweaks, enum usb_init_type init)
 {
+	struct usb_bus_priv *priv = dev_get_uclass_priv(dev);
 	struct ehci_ctrl *ctrl = dev_get_priv(dev);
 	int ret;
 
 	debug("%s: dev='%s', ctrl=%p, hccr=%p, hcor=%p, init=%d\n", __func__,
 	      dev->name, ctrl, hccr, hcor, init);
 
+	priv->desc_before_addr = true;
+
 	ehci_setup_ops(ctrl, ops);
 	ctrl->hccr = hccr;
 	ctrl->hcor = hcor;