NFP4000/NFP6000 TC Flower offload support

configname: CONFIG_NFP_APP_FLOWER

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>NFP4000/NFP6000 TC Flower offload support
In linux kernel since version 4.2 (release Date: 2015-08-30)  
Enable driver support for TC Flower offload on NFP4000 and NFP6000.
Say Y, if you are planning to make use of TC Flower offload
either directly, with Open vSwitch, or any other way. Note that
TC Flower offload requires specific FW to work.