net/mlx5e: Clean static checker complaints on TC offload and VF reps code

Clean warning/check complaints made by checkpatch on en_{tc,rep}.c

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Jianbo Liu <jianbol@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>