net/mlx5e: Fix page allocation failure for ptp-RQ over SF

Set the correct pci-device pointer to the ptp-RQ. This allows access to
dma_mask and avoids allocation request with wrong pci-device.

Fixes: a099da8f ("net/mlx5e: Add RQ to PTP channel")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c

@@ -497,7 +497,7 @@ static int mlx5e_init_ptp_rq(struct mlx5e_ptp *c, struct mlx5e_params *params,
 	int err;
 
 	rq->wq_type      = params->rq_wq_type;
-	rq->pdev         = mdev->device;
+	rq->pdev         = c->pdev;
 	rq->netdev       = priv->netdev;
 	rq->priv         = priv;
 	rq->clock        = &mdev->clock;