gpu: nova-core: gsp: Wait for gsp initialization to complete

gpu: nova-core: gsp: Wait for gsp initialization to complete

This adds the GSP init done command to wait for GSP initialization
to complete. Once this command has been received the GSP is fully
operational and will respond properly to normal RPC commands.

Signed-off-by: Alistair Popple <apopple@nvidia.com>
Co-developed-by: Joel Fernandes <joelagnelf@nvidia.com>
Signed-off-by: Joel Fernandes <joelagnelf@nvidia.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
[acourbot@nvidia.com: move new definitions to end of commands.rs, rename
to `wait_gsp_init_done` and remove timeout argument.]
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Message-ID: <20251114195552.739371-13-joelagnelf@nvidia.com>