[Bluetooth]: Add endian annotations to the core

This patch adds the endian annotations to the Bluetooth core.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 799e448..1d6d0a1 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -416,7 +416,7 @@
 	skb->dev = (void *) hdev;
 
 	if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) {
-		u16 opcode = __le16_to_cpu(get_unaligned((u16 *)skb->data));
+		u16 opcode = __le16_to_cpu(get_unaligned((__le16 *) skb->data));
 		u16 ogf = hci_opcode_ogf(opcode);
 		u16 ocf = hci_opcode_ocf(opcode);