Add test case for SM2 evp verification

This test case is originally submitted in #6757, by Jack Lloyd. The test
case has been modified to use the a different method to set the ID when
computing the Z hash of SM2 signature.

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Yang <yang.yang@baishancloud.com>
(Merged from https://github.com/openssl/openssl/pull/7113)