net/mlx5: remove redundant newline from logs

net/mlx5: remove redundant newline from logs

The DRV_LOG macro already appends a newline.

Fixes: 46287eacc1b1 ("net/mlx5: introduce hash list")
Fixes: 860897d2895a ("net/mlx5: reorganize flow tables with hash list")
Fixes: e484e4032332 ("net/mlx5: optimize tag traversal with hash list")
Fixes: 6801116688fe ("net/mlx5: fix multiple flow table hash list")
Cc: stable@dpdk.org
Signed-off-by: David Marchand <david.marchand@redhat.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
Acked-by: Xiaoyu Min <jackmin@mellanox.com>