gpu: nova-core: Add basic Turing HAL

gpu: nova-core: Add basic Turing HAL

Add the basic HAL for recognizing Turing GPUs.  This isn't enough
to support booting GSP-RM on Turing, but it's a start.

Note that GA100, which boots using the same method as Turing, is not
supported yet.

Signed-off-by: Timur Tabi <ttabi@nvidia.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Link: https://patch.msgid.link/20260122222848.2555890-8-ttabi@nvidia.com
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>