Don't use 64 'as is', as max block size in mv_cesa_ahash_cache_req. Use
CESA_MAX_HASH_BLOCK_SIZE instead, this is better for readability.
Signed-off-by: NRomain Perier <romain.perier@free-electrons.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>