[openssl/openssl] de1369: S390X: Accelerate keccak XOF

[Juergen Christ]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: de13699370183ab565f548267afa57e25a921ca9
      https://github.com/openssl/openssl/commit/de13699370183ab565f548267afa57e25a921ca9
  Author: Juergen Christ <jchrist at linux.ibm.com>
  Date:   2023-03-07 (Tue, 07 Mar 2023)

  Changed paths:
    M crypto/s390x_arch.h
    M providers/implementations/digests/sha3_prov.c

  Log Message:
  -----------
  S390X: Accelerate keccak XOF

The keccak XOF used for KMAC can be simplified by using klmd.  This speeds up
XOF processing in cases where more than one result block is needed.

Signed-off-by: Juergen Christ <jchrist at linux.ibm.com>

Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20431)