RDMA/rxe: Remove useless argument for update_state()

The argument 'payload' is not used in update_state(), so just remove it.

Link: https://lore.kernel.org/r/20220307145047.3235675-2-cgxu519@mykernel.net


Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Acked-by: Zhu Yanjun <zyjzyj2000@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>