drm/nouveau/dmaobj: namespace + nvidia gpu names (no binary change)

The namespace of NVKM is being changed to nvkm_ instead of nouveau_,
which will be used for the DRM part of the driver.  This is being
done in order to make it very clear as to what part of the driver a
given symbol belongs to, and as a minor step towards splitting the
DRM driver out to be able to stand on its own (for virt).

Because there's already a large amount of churn here anyway, this is
as good a time as any to also switch to NVIDIA's device and chipset
naming to ease collaboration with them.

A comparison of objdump disassemblies proves no code changes.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/nvc0.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/nvc0.c
index 9ef0673..9a4e062 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/nvc0.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/nvc0.c
@@ -80,7 +80,7 @@
 		device->oclass[NVDEV_SUBDEV_BAR    ] = &gf100_bar_oclass;
 		device->oclass[NVDEV_SUBDEV_PMU    ] =  gf100_pmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
-		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nvc0_dmaeng_oclass;
+		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  gf100_dmaeng_oclass;
 		device->oclass[NVDEV_ENGINE_FIFO   ] =  nvc0_fifo_oclass;
 		device->oclass[NVDEV_ENGINE_SW     ] =  nvc0_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  nvc0_gr_oclass;
@@ -113,7 +113,7 @@
 		device->oclass[NVDEV_SUBDEV_BAR    ] = &gf100_bar_oclass;
 		device->oclass[NVDEV_SUBDEV_PMU    ] =  gf100_pmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
-		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nvc0_dmaeng_oclass;
+		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  gf100_dmaeng_oclass;
 		device->oclass[NVDEV_ENGINE_FIFO   ] =  nvc0_fifo_oclass;
 		device->oclass[NVDEV_ENGINE_SW     ] =  nvc0_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  nvc4_gr_oclass;
@@ -146,7 +146,7 @@
 		device->oclass[NVDEV_SUBDEV_BAR    ] = &gf100_bar_oclass;
 		device->oclass[NVDEV_SUBDEV_PMU    ] =  gf100_pmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
-		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nvc0_dmaeng_oclass;
+		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  gf100_dmaeng_oclass;
 		device->oclass[NVDEV_ENGINE_FIFO   ] =  nvc0_fifo_oclass;
 		device->oclass[NVDEV_ENGINE_SW     ] =  nvc0_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  nvc4_gr_oclass;
@@ -178,7 +178,7 @@
 		device->oclass[NVDEV_SUBDEV_BAR    ] = &gf100_bar_oclass;
 		device->oclass[NVDEV_SUBDEV_PMU    ] =  gf100_pmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
-		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nvc0_dmaeng_oclass;
+		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  gf100_dmaeng_oclass;
 		device->oclass[NVDEV_ENGINE_FIFO   ] =  nvc0_fifo_oclass;
 		device->oclass[NVDEV_ENGINE_SW     ] =  nvc0_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  nvc4_gr_oclass;
@@ -211,7 +211,7 @@
 		device->oclass[NVDEV_SUBDEV_BAR    ] = &gf100_bar_oclass;
 		device->oclass[NVDEV_SUBDEV_PMU    ] =  gf100_pmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
-		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nvc0_dmaeng_oclass;
+		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  gf100_dmaeng_oclass;
 		device->oclass[NVDEV_ENGINE_FIFO   ] =  nvc0_fifo_oclass;
 		device->oclass[NVDEV_ENGINE_SW     ] =  nvc0_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  nvc4_gr_oclass;
@@ -243,7 +243,7 @@
 		device->oclass[NVDEV_SUBDEV_BAR    ] = &gf100_bar_oclass;
 		device->oclass[NVDEV_SUBDEV_PMU    ] =  gf100_pmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
-		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nvc0_dmaeng_oclass;
+		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  gf100_dmaeng_oclass;
 		device->oclass[NVDEV_ENGINE_FIFO   ] =  nvc0_fifo_oclass;
 		device->oclass[NVDEV_ENGINE_SW     ] =  nvc0_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  nvc1_gr_oclass;
@@ -275,7 +275,7 @@
 		device->oclass[NVDEV_SUBDEV_BAR    ] = &gf100_bar_oclass;
 		device->oclass[NVDEV_SUBDEV_PMU    ] =  gf100_pmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
-		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nvc0_dmaeng_oclass;
+		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  gf100_dmaeng_oclass;
 		device->oclass[NVDEV_ENGINE_FIFO   ] =  nvc0_fifo_oclass;
 		device->oclass[NVDEV_ENGINE_SW     ] =  nvc0_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  nvc8_gr_oclass;
@@ -308,7 +308,7 @@
 		device->oclass[NVDEV_SUBDEV_BAR    ] = &gf100_bar_oclass;
 		device->oclass[NVDEV_SUBDEV_PMU    ] =  gf110_pmu_oclass;
 		device->oclass[NVDEV_SUBDEV_VOLT   ] = &nv40_volt_oclass;
-		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nvd0_dmaeng_oclass;
+		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  gf110_dmaeng_oclass;
 		device->oclass[NVDEV_ENGINE_FIFO   ] =  nvc0_fifo_oclass;
 		device->oclass[NVDEV_ENGINE_SW     ] =  nvc0_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  nvd9_gr_oclass;
@@ -338,7 +338,7 @@
 		device->oclass[NVDEV_SUBDEV_INSTMEM] =  nv50_instmem_oclass;
 		device->oclass[NVDEV_SUBDEV_MMU    ] = &gf100_mmu_oclass;
 		device->oclass[NVDEV_SUBDEV_BAR    ] = &gf100_bar_oclass;
-		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  nvd0_dmaeng_oclass;
+		device->oclass[NVDEV_ENGINE_DMAOBJ ] =  gf110_dmaeng_oclass;
 		device->oclass[NVDEV_ENGINE_FIFO   ] =  nvc0_fifo_oclass;
 		device->oclass[NVDEV_ENGINE_SW     ] =  nvc0_sw_oclass;
 		device->oclass[NVDEV_ENGINE_GR     ] =  nvd7_gr_oclass;