drm/nouveau/nvdec/tu102-: instantiate NVDEC0 falcon

Required to run VPR scrubber binary as part of secboot.
Signed-off-by: NBen Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nvkm/engine/device/base.c

@@ -2466,6 +2466,7 @@ nv162_chipset = {
 	.disp = tu102_disp_new,
 	.dma = gv100_dma_new,
 	.fifo = tu102_fifo_new,
+	.nvdec[0] = gp102_nvdec_new,
 };
 
 static const struct nvkm_device_chip
@@ -2499,6 +2500,7 @@ nv164_chipset = {
 	.disp = tu102_disp_new,
 	.dma = gv100_dma_new,
 	.fifo = tu102_fifo_new,
+	.nvdec[0] = gp102_nvdec_new,
 };
 
 static const struct nvkm_device_chip
@@ -2532,6 +2534,7 @@ nv166_chipset = {
 	.disp = tu102_disp_new,
 	.dma = gv100_dma_new,
 	.fifo = tu102_fifo_new,
+	.nvdec[0] = gp102_nvdec_new,
 };
 
 static int