platform: mppa: pktio: eth.c: update parse_hashpolicy function
platform: mppa: pktio: eth.c: update parse_hashpolicy function

the function now fills a struct allocated outside of the function

kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa,kalray/odp-mppa