nvidia: add GP108 signed firmware

These NVIDIA-signed firmwares are required to enable the graphics
engine on Pascal GP108 GPUs.
Signed-off-by: Gourav Samaiya <gsamaiya@nvidia.com>
Tested-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Josh Boyer <jwboyer@kernel.org>

WHENCE

@@ -3638,6 +3638,26 @@ File: nvidia/gp10b/gr/sw_nonctx.bin
 File: nvidia/gp10b/pmu/desc.bin
 File: nvidia/gp10b/pmu/image.bin
 File: nvidia/gp10b/pmu/sig.bin
+File: nvidia/gp108/acr/bl.bin
+File: nvidia/gp108/acr/ucode_load.bin
+File: nvidia/gp108/acr/ucode_unload.bin
+File: nvidia/gp108/acr/unload_bl.bin
+File: nvidia/gp108/gr/fecs_bl.bin
+File: nvidia/gp108/gr/fecs_data.bin
+File: nvidia/gp108/gr/fecs_inst.bin
+File: nvidia/gp108/gr/fecs_sig.bin
+File: nvidia/gp108/gr/gpccs_bl.bin
+File: nvidia/gp108/gr/gpccs_data.bin
+File: nvidia/gp108/gr/gpccs_inst.bin
+File: nvidia/gp108/gr/gpccs_sig.bin
+File: nvidia/gp108/gr/sw_bundle_init.bin
+File: nvidia/gp108/gr/sw_ctx.bin
+File: nvidia/gp108/gr/sw_method_init.bin
+File: nvidia/gp108/gr/sw_nonctx.bin
+File: nvidia/gp108/nvdec/scrubber.bin
+File: nvidia/gp108/sec2/desc.bin
+File: nvidia/gp108/sec2/image.bin
+File: nvidia/gp108/sec2/sig.bin
 
 
 Licence: Redistributable. See LICENCE.nvidia for details