net/mlx5e: Change the parameter of IPsec RX skb handle function

Refactor the function to pass in reg B value only.

Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/3b3c53f64660d464893eaecc41298b1ce49c6baa.1690802064.git.leon@kernel.org


Signed-off-by: Jakub Kicinski <kuba@kernel.org>