nvidia: add TU102/TU104/TU106 signed firmware

These NVIDIA-signed firmwares are required to enable the graphics engine
on Turing TU10X GPUs.
Signed-off-by: Gourav Samaiya <gsamaiya@nvidia.com>
Tested-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Josh Boyer <jwboyer@kernel.org>

nvidia/tu106/nvdec/scrubber.bin

+../../tu102/nvdec/scrubber.bin
\ No newline at end of file

nvidia/tu106/sec2/desc.bin

+../../tu102/sec2/desc.bin
\ No newline at end of file

nvidia/tu106/sec2/image.bin

+../../tu102/sec2/image.bin
\ No newline at end of file

nvidia/tu106/sec2/sig.bin

+../../tu102/sec2/sig.bin
\ No newline at end of file