net/mlx5: HWS, fix missing ip_version handling in definer

net/mlx5: HWS, fix missing ip_version handling in definer

[ Upstream commit b5e3c76f35ee7e814c2469c73406c5bbf110d89c ]

Fix missing field handling in definer - outer IP version.

Fixes: 74a778b4a63f ("net/mlx5: HWS, added definers handling")
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Link: https://patch.msgid.link/20250610151514.1094735-6-mbloch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>