usb: rockchip: fix printing csw debug info

Workstation tool was happy while console on device were printing
random numbers..

Signed-off-by: Alberto Panizzo <alberto@amarulasolutions.com>
diff --git a/drivers/usb/gadget/f_rockusb.c b/drivers/usb/gadget/f_rockusb.c
index 0959b8c..574d610 100644
--- a/drivers/usb/gadget/f_rockusb.c
+++ b/drivers/usb/gadget/f_rockusb.c
@@ -384,7 +384,7 @@
 	csw->residue = cpu_to_be32(residue);
 	csw->status = status;
 #ifdef DEBUG
-	printcsw((char *)&csw);
+	printcsw((char *)csw);
 #endif
 	return rockusb_tx_write((char *)csw, size);
 }