If flow director is enabled, FDIR Tx queue can't
be disabled when exiting application. Root cause
is FDIR Tx queue is not disabled before removing
HMC backing store.
Fixes: 71d35259ff67 ("i40e: tear down flow director")
Cc: stable@dpdk.org
Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
ba2e8c6f29