Bluetooth: btusb: Add support for ISO packets

This enabled btusb driver to properly transmit ISO packets.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

drivers/bluetooth/btusb.c

@@ -1780,6 +1780,13 @@ static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
 
 		hdev->stat.sco_tx++;
 		return submit_tx_urb(hdev, urb);
+
+	case HCI_ISODATA_PKT:
+		urb = alloc_bulk_urb(hdev, skb);
+		if (IS_ERR(urb))
+			return PTR_ERR(urb);
+
+		return submit_or_queue_tx_urb(hdev, urb);
 	}
 
 	return -EILSEQ;
@@ -2272,6 +2279,13 @@ static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
 
 		hdev->stat.sco_tx++;
 		return submit_tx_urb(hdev, urb);
+
+	case HCI_ISODATA_PKT:
+		urb = alloc_bulk_urb(hdev, skb);
+		if (IS_ERR(urb))
+			return PTR_ERR(urb);
+
+		return submit_or_queue_tx_urb(hdev, urb);
 	}
 
 	return -EILSEQ;