net/mlx5: Bridge, Use debug instead of warn if entry doesn't exists

There is no need for the warn if entry already removed.
Use debug print like in the update flow.
Also update the messages so user can identify if the it's
from the update flow or remove flow.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c

@@ -1722,7 +1722,7 @@ void mlx5_esw_bridge_fdb_update_used(struct net_device *dev, u16 vport_num, u16
 	entry = mlx5_esw_bridge_fdb_lookup(bridge, fdb_info->addr, fdb_info->vid);
 	if (!entry) {
 		esw_debug(br_offloads->esw->dev,
-			  "FDB entry with specified key not found (MAC=%pM,vid=%u,vport=%u)\n",
+			  "FDB update entry with specified key not found (MAC=%pM,vid=%u,vport=%u)\n",
 			  fdb_info->addr, fdb_info->vid, vport_num);
 		return;
 	}
@@ -1775,8 +1775,8 @@ void mlx5_esw_bridge_fdb_remove(struct net_device *dev, u16 vport_num, u16 esw_o
 	bridge = port->bridge;
 	entry = mlx5_esw_bridge_fdb_lookup(bridge, fdb_info->addr, fdb_info->vid);
 	if (!entry) {
-		esw_warn(esw->dev,
-			 "FDB entry with specified key not found (MAC=%pM,vid=%u,vport=%u)\n",
+		esw_debug(esw->dev,
+			  "FDB remove entry with specified key not found (MAC=%pM,vid=%u,vport=%u)\n",
 			  fdb_info->addr, fdb_info->vid, vport_num);
 		return;
 	}