net/mlx5e: Change FW sub_minor display to 4 zeros padding

FW version should be reported as X.Y.ZZZZ, add leading zeroes to sub
minor in order to fix it.
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

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

@@ -42,7 +42,7 @@ static void mlx5e_get_drvinfo(struct net_device *dev,
 	strlcpy(drvinfo->version, DRIVER_VERSION " (" DRIVER_RELDATE ")",
 		sizeof(drvinfo->version));
 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
-		 "%d.%d.%d",
+		 "%d.%d.%04d",
 		 fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev));
 	strlcpy(drvinfo->bus_info, pci_name(mdev->pdev),
 		sizeof(drvinfo->bus_info));