crypto: hisilicon/hpre - adds the max shaper type rate

The HPRE driver support configure each function's QoS in the Host
for Kunpeng930. The HPRE driver needs to configure the maximum shaper
type rate.

Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>