i40e: add vlan stripping and insertion to VF
i40e: add vlan stripping and insertion to VF

VF driver add support to configure vlan offload and pvid set/clear
when host driver is DPDK. For Linux driver, it's not supported yet
since it doesn't support from host side.

Signed-off-by: Chen Jing D(Mark) <2b730c2e01419ef3cbe586e212d13b674b74d017@intel.com>
Acked-by: Helin Zhang <aba9dfdb1a6ec8bf1ff66b95272c029f8dfde1b1@intel.com>
Acked-by: Cunming Liang <7edc6dd0948177c688da9b288939d80da3db4303@intel.com>
Acked-by: Jingjing Wu <64d28b617c3b4840f5ded1bfa611cba7fadfe5c7@intel.com>

phermansson/dpdk,phermansson/dpdk,phermansson/dpdk,phermansson/dpdk