net/mlx5e: Remove redundant page argument in mlx5e_xdp_handle()

Remove the page parameter, it can be derived from the xdp_buff member
of mlx5e_xdp_buff.

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>