[openssl/openssl] 48b677: Emit rev8 on __riscv_zbkb as on __riscv_zbb

[Hugo Landau]

  Branch: refs/heads/master
  Home:   https://github.openssl.org/openssl/openssl
  Commit: 48b6776678d794406c625dcb5767102b73081962
      https://github.openssl.org/openssl/openssl/commit/48b6776678d794406c625dcb5767102b73081962
  Author: marcfedorow <mark.fedorov at cloudbear.ru>
  Date:   2022-07-21 (Thu, 21 Jul 2022)

  Changed paths:
    M include/crypto/modes.h

  Log Message:
  -----------
  Emit rev8 on __riscv_zbkb as on __riscv_zbb

Also add early clobber for two-insn bswap.

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Hugo Landau <hlandau at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18827)