This module provides implementations for "des3_ede", too. Announce those
via an appropriate crypto module alias so it can be used in favour to
the generic C implementation.

Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: NMathias Krause <minipli@googlemail.com>
Acked-by: NDavid S. Miller <davem@davemloft.net>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>