Bluetooth: Move more channel info to struct l2cap_chan

In this commit, omtu, imtu, flush_to, mode and sport. It also remove the
pi var from l2cap_sock_sendmsg().

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 02db902..7522835 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -285,6 +285,13 @@
 struct l2cap_chan {
 	struct sock *sk;
 
+	__u16		imtu;
+	__u16		omtu;
+	__u16		flush_to;
+	__u8		mode;
+
+	__le16		sport;
+
 	__u8		sec_level;
 	__u8		role_switch;
 	__u8		force_reliable;
@@ -379,13 +386,6 @@
 	__u16		dcid;
 	__u16		scid;
 
-	__u16		imtu;
-	__u16		omtu;
-	__u16		flush_to;
-	__u8		mode;
-
-	__le16		sport;
-
 	struct l2cap_conn	*conn;
 	struct l2cap_chan	*chan;
 };