Upgrade ENA HAL to the version from 20.04.2020
This version of the HAL supports newest generation ENA HW, random
RSS generation upon device initialization and also includes bug fixes
in the platform file, like fix for IO write/read macros regarding using
barriers.
Submitted by: Michal Krawczyk <mk@semihalf.com>
Obtained from: Semihalf
Sponsored by: Amazon, Inc.