net/mlx5: Fix crdump chunks print

Crdump repeats itself every chunk of 256bytes.
That is due to bug of missing progressing offset while copying the data
from buffer to devlink_fmsg.

Fixes: 9b1f298236 ("net/mlx5: Add support for FW fatal reporter dump")
Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/mellanox/mlx5/core/health.c

@@ -590,7 +590,8 @@ mlx5_fw_fatal_reporter_dump(struct devlink_health_reporter *reporter,
 			data_size = crdump_size - offset;
 		else
 			data_size = MLX5_CR_DUMP_CHUNK_SIZE;
-		err = devlink_fmsg_binary_put(fmsg, cr_data, data_size);
+		err = devlink_fmsg_binary_put(fmsg, (char *)cr_data + offset,
+					      data_size);
 		if (err)
 			goto free_data;
 	}