Bluetooth: Move mgmt related flags from hdev->flags to hdev->dev_flags

There's no point in exposing these to user-space (which is what happens
to everything in hdev->flags) so move them to dev_flags instead.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 32c47de..65a9024 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -217,7 +217,7 @@
 {
 	u8 dist_keys = 0;
 
-	if (test_bit(HCI_PAIRABLE, &conn->hcon->hdev->flags)) {
+	if (test_bit(HCI_PAIRABLE, &conn->hcon->hdev->dev_flags)) {
 		dist_keys = SMP_DIST_ENC_KEY;
 		authreq |= SMP_AUTH_BONDING;
 	} else {