net/mlx5e: Fix return status of TX reporter timeout recover

In case of lost interrupt recover, we shall return success. Fix that.

Fixes: 7d91126b ("net/mlx5e: Add tx timeout support for mlx5e tx reporter")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reported-by: Maria Pasechnik <mariap@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>