crypto: testmgr - add twofish tests

Add tests for parallel twofish-x86_64-3way code paths.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --cc crypto/tcrypt.c
Simple merge

diff --cc crypto/testmgr.c
Simple merge

diff --cc crypto/testmgr.h
Simple merge