linux/dim: Rename net_dim_sample() to net_dim_update_sample()

In order to avoid confusion between the function and the similarly
named struct.
In preparation for removing the 'net' prefix from dim members.

Signed-off-by: Tal Gilboa <talgi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/broadcom/genet/bcmgenet.c

@@ -1909,8 +1909,8 @@ static int bcmgenet_rx_poll(struct napi_struct *napi, int budget)
 	}
 
 	if (ring->dim.use_dim) {
-		net_dim_sample(ring->dim.event_ctr, ring->dim.packets,
-			       ring->dim.bytes, &dim_sample);
+		net_dim_update_sample(ring->dim.event_ctr, ring->dim.packets,
+				      ring->dim.bytes, &dim_sample);
 		net_dim(&ring->dim.dim, dim_sample);
 	}