nfp: update Agilio SmartNIC flower firmware to rev AOTC-2.10.A.38

New in this release:
  - Support for tunnels over vlans.

Improvements:
  - Fix hashing when using more than two ports in a bond.

Signed-off-by: Louis Peens <louis.peens@netronome.com>
Tested-by: Charles Murcott <charles.murcott@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>