Bluetooth: Use new hci_skb_pkt_* wrappers for drivers

The new hci_skb_pkt_* wrappers are mainly intented for drivers to
require less knowledge about bt_cb(sbk) handling. So after converting
the core packet handling, convert all drivers.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 96bcec5..03146d7 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -162,7 +162,7 @@
 			break;
 		}
 
-		hci_uart_tx_complete(hu, bt_cb(skb)->pkt_type);
+		hci_uart_tx_complete(hu, hci_skb_pkt_type(skb));
 		kfree_skb(skb);
 	}
 
@@ -248,7 +248,8 @@
 {
 	struct hci_uart *hu = hci_get_drvdata(hdev);
 
-	BT_DBG("%s: type %d len %d", hdev->name, bt_cb(skb)->pkt_type, skb->len);
+	BT_DBG("%s: type %d len %d", hdev->name, hci_skb_pkt_type(skb),
+	       skb->len);
 
 	hu->proto->enqueue(hu, skb);