NFC: Rename nfc_llcp_disconnect() to nfc_llcp_send_disconnect()

nfc_llcp_send_disconnect() already exists but is not used.
nfc_llcp_disconnect() naming is not consistent with other PDU
sending functions.
This patch removes nfc_llcp_send_disconnect() and renames
nfc_llcp_disconnect()

Signed-off-by: Thierry Escande <thierry.escande@linux.intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/net/nfc/llcp_commands.c b/net/nfc/llcp_commands.c
index c1b23ee..1017894 100644
--- a/net/nfc/llcp_commands.c
+++ b/net/nfc/llcp_commands.c
@@ -339,7 +339,7 @@
 	return skb;
 }
 
-int nfc_llcp_disconnect(struct nfc_llcp_sock *sock)
+int nfc_llcp_send_disconnect(struct nfc_llcp_sock *sock)
 {
 	struct sk_buff *skb;
 	struct nfc_dev *dev;
@@ -630,26 +630,6 @@
 	return 0;
 }
 
-int nfc_llcp_send_disconnect(struct nfc_llcp_sock *sock)
-{
-	struct sk_buff *skb;
-	struct nfc_llcp_local *local;
-
-	pr_debug("Send DISC\n");
-
-	local = sock->local;
-	if (local == NULL)
-		return -ENODEV;
-
-	skb = llcp_allocate_pdu(sock, LLCP_PDU_DISC, 0);
-	if (skb == NULL)
-		return -ENOMEM;
-
-	skb_queue_head(&local->tx_queue, skb);
-
-	return 0;
-}
-
 int nfc_llcp_send_i_frame(struct nfc_llcp_sock *sock,
 			  struct msghdr *msg, size_t len)
 {