net/mlx5e: E-Switch, Update when to set other vport context

Other vport context should be set if vport number is not 0.
In case of ECPF, vport 0 represents the host PF representor so also
need to set other vport context.

Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>