This patch change judgment statements to disable RSS for vf
when users need to disable RSS or RSS hash function configured
is not supported.
Fixes: 95f2f0e9fc ("net/iavf: improve default RSS")
Cc: stable@dpdk.org
Signed-off-by: Wenjun Wu <wenjun1.wu@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>