gpu: nova-core: bindings: add missing explicit padding

gpu: nova-core: bindings: add missing explicit padding

Explicit padding is needed in order to avoid uninitialized bytes and
safely implement `AsBytes`. The `--explicit-padding` of bindgen was
omitted by mistake when these bindings were generated.

Fixes: 13f85988d4fa ("gpu: nova-core: gsp: Retrieve GSP static info to gather GPU information")
Reviewed-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Link: https://patch.msgid.link/20251216-nova-fixes-v3-1-c7469a71f7c4@nvidia.com
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>