net/mlx5e: Fix ethtool RX hash func configuration change

We should modify TIRs explicitly to apply the new RSS configuration.
The light ndo close/open calls do not "refresh" them.

Fixes: 2d75b2bc

 ('net/mlx5e: Add ethtool RSS configuration options')
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>