gpu: nova-core: vbios: do not use as when comparing BiosImageType

Use the `image_type` method and compare its result to avoid using `as`.

Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Message-ID: <20251029-nova-as-v3-2-6a30c7333ad9@nvidia.com>
This commit is contained in:
Alexandre Courbot 2025-10-29 08:12:10 +09:00
commit 505c3ec507