[Bluetooth] Add direction and timestamp to stack internal events

This patch changes the direction to incoming and adds the timestamp
to all stack internal events.

Signed-off-by: Marcel Holtmann <[e-mail]>

net/bluetooth/hci_event.c

···
 	ev->type = type;
 	memcpy(ev->data, data, dlen);
 
+	bt_cb(skb)->incoming = 1;
+	do_gettimeofday(&skb->stamp);
+
 	skb->pkt_type = HCI_EVENT_PKT;
 	skb->dev = (void *) hdev;
 	hci_send_to_sock(hdev, skb);