crypto: zip - Wire-up Compression / decompression HW offload

This contains changes for adding compression/decompression h/w offload
functionality for both DEFLATE and LZS.

Signed-off-by: Mahipal Challa <Mahipal.Challa@cavium.com>
Signed-off-by: Jan Glauber <jglauber@cavium.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>