Bluetooth: Fix adding discoverable to adv instance flags

When lookup up the advertising instance flags for the default
advertising instance (0) the discoverable flag should be filled in
based on the HCI_DISCOVERABLE flag.
Signed-off-by: NJohan Hedberg <johan.hedberg@intel.com>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>

net/bluetooth/hci_request.c

@@ -866,6 +866,9 @@ static u32 get_adv_instance_flags(struct hci_dev *hdev, u8 instance)
 		if (hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE))
 			flags |= MGMT_ADV_FLAG_CONNECTABLE;
 
+		if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
+			flags |= MGMT_ADV_FLAG_DISCOV;
+
 		return flags;
 	}