[openssl/openssl] 3fcaf6: Enable BTI feature for md5 on aarch64

[Fangming.Fang]

  Branch: refs/heads/openssl-3.1
  Home:   https://github.com/openssl/openssl
  Commit: 3fcaf6b647d26a0bc37594250e8e7998370d2411
      https://github.com/openssl/openssl/commit/3fcaf6b647d26a0bc37594250e8e7998370d2411
  Author: fangming.fang <fangming.fang at arm.com>
  Date:   2023-12-13 (Wed, 13 Dec 2023)

  Changed paths:
    M crypto/md5/asm/md5-aarch64.pl

  Log Message:
  -----------
  Enable BTI feature for md5 on aarch64

Fixes: #22959

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/22971)

(cherry picked from commit ad347c9ff0fd93bdd2fa2085611c65b88e94829f)