[ALSA] add logging to send_bulk_static_data

USB generic driver
Add the optional dump_urb call to send_bulk_static_data, too.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

sound/usb/usbmidi.c

@@ -280,6 +280,7 @@ static int send_bulk_static_data(snd_usb_midi_out_endpoint_t* ep,
 	if (!buf)
 		return -ENOMEM;
 	memcpy(buf, data, len);
+	dump_urb("sending", buf, len);
 	err = usb_bulk_msg(ep->umidi->chip->dev, ep->urb->pipe, buf, len,
 			   NULL, HZ / 4);
 	kfree(buf);