net/mlx5: fix unnecessary checking for RSS action
net/mlx5: fix unnecessary checking for RSS action

RSS action is valid only in NIC-RX domain, this fix bypass
the function that getting RSS action from the flow action list
under no NIC-RX domain.

Fixes: e745f900072e ("net/mlx5: optimize flow RSS struct")
Cc: stable@dpdk.org

Signed-off-by: Jiawei Wang <059809c318ed50be2148549b4d268f18ba011140@nvidia.com>
Acked-by: Viacheslav Ovsiienko <5b8db9bb93a9a9aefc8828f79604d1fe963a53dd@nvidia.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk