USB: isp1760: Assign resource fields before adding hcd

This fixes the bogus "io mem 0x00000000" message printed
during driver init due to hcd->rsrc_start being assigned after
the call to usb_add_hcd().

Signed-off-by: Nate Case <ncase@xes-inc.com>
Acked-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
index c9cec87..65aa5ec 100644
--- a/drivers/usb/host/isp1760-hcd.c
+++ b/drivers/usb/host/isp1760-hcd.c
@@ -2207,14 +2207,14 @@
 		goto err_put;
 	}
 
-	ret = usb_add_hcd(hcd, irq, irqflags);
-	if (ret)
-		goto err_unmap;
-
 	hcd->irq = irq;
 	hcd->rsrc_start = res_start;
 	hcd->rsrc_len = res_len;
 
+	ret = usb_add_hcd(hcd, irq, irqflags);
+	if (ret)
+		goto err_unmap;
+
 	return hcd;
 
 err_unmap: