Bluetooth: convert role_switch variable to flag in l2cap chan

role_switch variable inside l2cap_chan is a logical one and can
be easily converted to flag

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 440e7b8..aea083c 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -324,7 +324,6 @@
 	__le16		sport;
 
 	__u8		sec_level;
-	__u8		role_switch;
 
 	__u8		ident;
 
@@ -463,6 +462,7 @@
 
 /* Definitions for flags in l2cap_chan */
 enum {
+	FLAG_ROLE_SWITCH,
 	FLAG_FORCE_ACTIVE,
 	FLAG_FORCE_RELIABLE,
 	FLAG_FLUSHABLE,