[openssl/openssl] 08ae9f: Support decode SM2 parameters

[K1]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: 08ae9fa627e858b9f8e96e0c6d3cf84422a11d75
      https://github.com/openssl/openssl/commit/08ae9fa627e858b9f8e96e0c6d3cf84422a11d75
  Author: K1 <dongbeiouba at gmail.com>
  Date:   2022-08-23 (Tue, 23 Aug 2022)

  Changed paths:
    M apps/ecparam.c
    M include/openssl/pem.h
    M providers/decoders.inc
    M providers/implementations/encode_decode/decode_der2key.c
    M providers/implementations/encode_decode/decode_pem2der.c
    M providers/implementations/encode_decode/encode_key2text.c
    M providers/implementations/include/prov/implementations.h
    M test/recipes/15-test_ecparam.t
    A test/recipes/15-test_ecparam_data/valid/sm2-explicit.pem
    A test/recipes/15-test_ecparam_data/valid/sm2-named.pem

  Log Message:
  -----------
  Support decode SM2 parameters

Reviewed-by: Hugo Landau <hlandau at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18819)