batman-adv: beautify tt_global_add() argument list

Instead of adding a new bool argument each time it is needed, it is better (and
simpler) to pass an 8bit flag argument which contains all the needed flags

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 1b8f677..864692a 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -699,8 +699,8 @@
 		   roam_adv_packet->src, roam_adv_packet->client);
 
 	batadv_tt_global_add(bat_priv, orig_node, roam_adv_packet->client,
-			     atomic_read(&orig_node->last_ttvn) + 1, true,
-			     false);
+			     TT_CLIENT_ROAM,
+			     atomic_read(&orig_node->last_ttvn) + 1);
 
 	/* Roaming phase starts: I have new information but the ttvn has not
 	 * been incremented yet. This flag will make me check all the incoming