Fix cipher support for DTLS1_BAD_VER

Commit 3eb2aff4

 ("Add support for minimum and maximum protocol version
supported by a cipher") disabled all ciphers for DTLS1_BAD_VER.

That wasn't helpful. Give them back.

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>