[openssl/openssl] d88a0f: Add limited support for WebAssembly WASI target

[Marcin Kolny]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: d88a0f5f3944535dd83d55bedc4d239544c5678d
      https://github.com/openssl/openssl/commit/d88a0f5f3944535dd83d55bedc4d239544c5678d
  Author: Marcin Kolny <marcin.kolny at gmail.com>
  Date:   2023-07-06 (Thu, 06 Jul 2023)

  Changed paths:
    M crypto/bio/bss_log.c
    M providers/implementations/rands/seeding/rand_unix.c

  Log Message:
  -----------
  Add limited support for WebAssembly WASI target

CLA: trivial

Reviewed-by: Tim Hudson <tjh at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21344)