drm/nouveau/volt/gf100-: Add speedo

v5: Squashed speedo related commits.

Signed-off-by: Karol Herbst <karolherbst@gmail.com>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h

@@ -25,6 +25,8 @@ struct nvkm_volt {
 	u8 max0_id;
 	u8 max1_id;
 	u8 max2_id;
+
+	int speedo;
 };
 
 int nvkm_volt_map(struct nvkm_volt *volt, u8 id, u8 temperature);