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/bnxt/bnxt.c

@@ -2130,10 +2130,10 @@ static int bnxt_poll(struct napi_struct *napi, int budget)
 	if (bp->flags & BNXT_FLAG_DIM) {
 		struct net_dim_sample dim_sample;
 
-		net_dim_sample(cpr->event_ctr,
-			       cpr->rx_packets,
-			       cpr->rx_bytes,
-			       &dim_sample);
+		net_dim_update_sample(cpr->event_ctr,
+				      cpr->rx_packets,
+				      cpr->rx_bytes,
+				      &dim_sample);
 		net_dim(&cpr->dim, dim_sample);
 	}
 	return work_done;