constify tls 1.2 lookup tables.
constify tls 1.2 lookup tables.

None of this should live in writable memory

Signed-off-by: Kurt Roeckx <bb87b47479d83cec3c76132206933257ded727b2@roeckx.be>
Reviewed-by: Geoff Thorpe <c3918f39022407dee6a0056ceca9b1aa80e8e4ce@openssl.org>

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl