[openssl/openssl] d1460a: Add riscv64 asm_arch to BSD-riscv64 target

[pauli]

  Branch: refs/heads/master
  Home:   https://github.openssl.org/openssl/openssl
  Commit: d1460afdfcb3c90df612896d40d35c6627a5967c
      https://github.openssl.org/openssl/openssl/commit/d1460afdfcb3c90df612896d40d35c6627a5967c
  Author: Hongren (Zenithal) Zheng <i at zenithal.me>
  Date:   2022-05-25 (Wed, 25 May 2022)

  Changed paths:
    M Configurations/10-main.conf

  Log Message:
  -----------
  Add riscv64 asm_arch to BSD-riscv64 target

Following cb2764f2a8 Add riscv64 asm_arch to linux64-riscv64 target
Current ASM does not have Linux specific thing thus this is
suitable for BSD

Reviewed-by: Todd Short <todd.short at me.com>
Reviewed-by: Paul Dale <pauli at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18309)