[Bluetooth] Fix config change for firmware loading

The switching between firmware loading and running state is done via
different configurations. To get this right the USB toggle and halted
bits must be reset to zero after it.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/bfusb.c

@@ -585,6 +585,9 @@ static int bfusb_load_firmware(struct bfusb *bfusb, unsigned char *firmware, int
 		return -EBUSY;
 	}
 
+	bfusb->udev->toggle[0] = bfusb->udev->toggle[1] = 0;
+	bfusb->udev->halted[0] = bfusb->udev->halted[1] = 0;
+
 	buf = kmalloc(BFUSB_MAX_BLOCK_SIZE + 3, GFP_ATOMIC);
 	if (!buf) {
 		BT_ERR("Can't allocate memory chunk for firmware");
@@ -624,6 +627,9 @@ static int bfusb_load_firmware(struct bfusb *bfusb, unsigned char *firmware, int
 		goto error;
 	}
 
+	bfusb->udev->toggle[0] = bfusb->udev->toggle[1] = 0;
+	bfusb->udev->halted[0] = bfusb->udev->halted[1] = 0;
+
 	BT_INFO("BlueFRITZ! USB device ready");
 
 	kfree(buf);