This patch fixes that the flow director rules are not cleared during
initialization, which lead to remaining flow director rules after upper
application (such as testpmd) restarted.
Fixes: fcba820d9b9e ("net/hns3: support flow director")
Cc: stable@dpdk.org
Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>