[openssl/openssl] bce02f: doc: Fix keymgmt functions parameters

[Tomas Mraz]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.openssl.org/openssl/openssl
  Commit: bce02f9c45d10d53f61e3423cbd5c78965340340
      https://github.openssl.org/openssl/openssl/commit/bce02f9c45d10d53f61e3423cbd5c78965340340
  Author: Ladislav Marko <LadislavMarko at seznam.cz>
  Date:   2022-06-01 (Wed, 01 Jun 2022)

  Changed paths:
    M doc/man7/provider-keymgmt.pod

  Log Message:
  -----------
  doc: Fix keymgmt functions parameters

CLA: trivial

Make OSSL_FUNC_keymgmt_import and OSSL_FUNC_keymgmt_export documentation correspond to core_dispatch.h signatures

Reviewed-by: Matt Caswell <matt at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18423)

(cherry picked from commit 70ed3046c5f156cab45a2bb2c8e36ab5d29a45ca)