gpu: nova-core: support header parsing on Turing/GA100

gpu: nova-core: support header parsing on Turing/GA100

The Turing/GA100 version of Booter is slightly different from the
GA102+ version.  The headers are the same, but different fields of
the headers are used to identify the IMEM section.  In addition,
there is an NMEM section on Turing/GA100.

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/20260122222848.2555890-4-ttabi@nvidia.com
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>