Add the config CRYPTO_SHA512_MB which will enable the computation
using the SHA512 multi-buffer algorithm.
Signed-off-by: NMegha Dey <megha.dey@linux.intel.com>
Reviewed-by: NFenghua Yu <fenghua.yu@intel.com>
Reviewed-by: NTim Chen <tim.c.chen@linux.intel.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>