net/mlx5e: Add get IPsec offload stats for uplink representor

As IPsec offload is supported in switchdev mode, HW stats can be can be
obtained from uplink rep.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/b43c91c452f1db9c35c10639a029aa10fd8b7895.1690802064.git.leon@kernel.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>

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

@@ -1338,6 +1338,7 @@ static mlx5e_stats_grp_t mlx5e_ul_rep_stats_grps[] = {
 	&MLX5E_STATS_GRP(channels),
 	&MLX5E_STATS_GRP(per_port_buff_congest),
 #ifdef CONFIG_MLX5_EN_IPSEC
+	&MLX5E_STATS_GRP(ipsec_hw),
 	&MLX5E_STATS_GRP(ipsec_sw),
 #endif
 	&MLX5E_STATS_GRP(ptp),