ieee802154: use nla_put_u64_64bit()

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/nl802154.h b/include/linux/nl802154.h
index 167342c..0f6f660 100644
--- a/include/linux/nl802154.h
+++ b/include/linux/nl802154.h
@@ -92,6 +92,8 @@
 	IEEE802154_ATTR_LLSEC_DEV_OVERRIDE,
 	IEEE802154_ATTR_LLSEC_DEV_KEY_MODE,
 
+	IEEE802154_ATTR_PAD,
+
 	__IEEE802154_ATTR_MAX,
 };