net/mlx5e: fix kdoc warning on eswitch.h

Fix the following kdoc warning:
git ls-files *.[ch] | egrep drivers/net/ethernet/mellanox/mlx5/core/ |\
xargs scripts/kernel-doc --none
drivers/net/ethernet/mellanox/mlx5/core/eswitch.h:824: warning: cannot
understand function prototype: 'struct mlx5_esw_event_info '

Signed-off-by: Moshe Shemesh <[email protected]>
Signed-off-by: Tariq Toukan <[email protected]>
Reviewed-by: Michal Swiatkowski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: mosheshemesh2

drivers/net/ethernet/mellanox/mlx5/core/eswitch.h

@@ -827,7 +827,7 @@ void mlx5_esw_vport_vhca_id_clear(struct mlx5_eswitch *esw, u16 vport_num);
 int mlx5_eswitch_vhca_id_to_vport(struct mlx5_eswitch *esw, u16 vhca_id, u16 *vport_num);
 
 /**
- * mlx5_esw_event_info - Indicates eswitch mode changed/changing.
+ * struct mlx5_esw_event_info - Indicates eswitch mode changed/changing.
  *
  * @new_mode: New mode of eswitch.
  */