[openssl/openssl] df04e8: aes_platform.h, gcm128.c: fix Darwin PowerPC macro...

[Sergey Fedorov]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: df04e81794ac3083804c34c173eb2b2fa55d373d
      https://github.com/openssl/openssl/commit/df04e81794ac3083804c34c173eb2b2fa55d373d
  Author: barracuda156 <vital.had at gmail.com>
  Date:   2024-01-12 (Fri, 12 Jan 2024)

  Changed paths:
    M crypto/modes/gcm128.c
    M include/crypto/aes_platform.h

  Log Message:
  -----------
  aes_platform.h, gcm128.c: fix Darwin PowerPC macro to include ppc64

Current PowerPC-related defines omit Darwin ppc64 case.
Use __POWERPC__ in place of __ppc__ + __ppc64__
Fixes #23220

CLA: trivial

Reviewed-by: Tom Cosgrove <tom.cosgrove at arm.com>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/23245)