drm/nouveau/core: remove pmc_enable argument from subdev ctor

These are now specified directly in the MC subdev.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/xtensa.c b/drivers/gpu/drm/nouveau/nvkm/engine/xtensa.c
index a3d4f5b..06bdb67 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/xtensa.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/xtensa.c
@@ -187,6 +187,6 @@
 	xtensa->addr = addr;
 	*pengine = &xtensa->engine;
 
-	return nvkm_engine_ctor(&nvkm_xtensa, device, index, func->pmc_enable,
+	return nvkm_engine_ctor(&nvkm_xtensa, device, index,
 				enable, &xtensa->engine);
 }