[openssl/openssl] fe4ef5: Use proper KDF SS parameter name

[Dmitry Belyavskiy]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.com/openssl/openssl
  Commit: fe4ef545dfb358b97202274b26840c09cd755eb1
      https://github.com/openssl/openssl/commit/fe4ef545dfb358b97202274b26840c09cd755eb1
  Author: Dmitry Belyavskiy <beldmit at gmail.com>
  Date:   2023-11-07 (Tue, 07 Nov 2023)

  Changed paths:
    M doc/man7/EVP_KDF-SS.pod

  Log Message:
  -----------
  Use proper KDF SS parameter name

Reviewed-by: Matt Caswell <matt at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Hugo Landau <hlandau at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22636)

(cherry picked from commit 1c6a37975495dd633847ff0c07747fae272d5e4d)