EVP_MAC ctrl numbering duplicate removal.

Both EVP_MAC_CTRL_SET_MD and EVP_MAC_CTRL_SET_CIPHER were numbered 4.
This would preclude any future MAC from using both.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Paul Yang <yang.yang@baishancloud.com>
(Merged from https://github.com/openssl/openssl/pull/7566)