Bluetooth: Increment management interface revision

This patch increments the management interface revision due to the
various fixes, improvements and other changes that have gone in
lately.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

net/bluetooth/mgmt.c

@@ -33,7 +33,7 @@
 #include <net/bluetooth/smp.h>
 
 #define MGMT_VERSION	1
-#define MGMT_REVISION	3
+#define MGMT_REVISION	4
 
 static const u16 mgmt_commands[] = {
 	MGMT_OP_READ_INDEX_LIST,