Based on the Token bucket algorithm. The HAC driver supports to configure
each function's QoS in the host. The driver supports writing QoS by the
debugfs node that named "alg_qos". The qos value is 1~1000.
Signed-off-by: Kai Ye <yekai13@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>