staging: octeon-usb: Cocci spatch "noderef"

sizeof when applied to a pointer typed expression gives the size of the
pointer.
Found by coccinelle spatch "misc/noderef.cocci"
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/octeon-usb/cvmx-usb.c

@@ -604,7 +604,7 @@ int cvmx_usb_initialize(struct cvmx_usb_state *state, int usb_port_number,
 			}
 	}
 
-	memset(usb, 0, sizeof(usb));
+	memset(usb, 0, sizeof(*usb));
 	usb->init_flags = flags;
 
 	/* Initialize the USB state structure */