This patch adds the hairpin-conf command line parameter to flow-perf
application. hairpin-conf parameter takes a hexadecimal bitmask with
bits having the following meaning:
- Bit 0 - Force memory settings of hairpin RX queue.
- Bit 1 - Force memory settings of hairpin TX queue.
- Bit 4 - Use locked device memory for hairpin RX queue.
- Bit 5 - Use RTE memory for hairpin RX queue.
- Bit 8 - Use locked device memory for hairpin TX queue.
- Bit 9 - Use RTE memory for hairpin TX queue.
Signed-off-by: Dariusz Sosnowski <dsosnowski@nvidia.com>