crypto: hisilicon/zip - move some private macros from 'zip.h' to 'zip_crypto.c'

Some macros which are defined in 'zip.h' are related to the struct
'hisi_zip_sqe' and are only used in 'zip_crypto.c'. So move them from
'zip.h' to 'zip_crypto.c'.

Signed-off-by: Yang Shen <shenyang39@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>