drm/nouveau/core: sort engine indices alphabetically

Unlike subdevs, these aren't initialised in a defined order.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h
index 8c92c7c..0e2a5be 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h
@@ -27,27 +27,30 @@
 	NVKM_SUBDEV_CLK,
 	NVKM_SUBDEV_SECBOOT,
 
-	NVKM_ENGINE_DMAOBJ,
-	NVKM_ENGINE_IFB,
-	NVKM_ENGINE_FIFO,
-	NVKM_ENGINE_SW,
-	NVKM_ENGINE_GR,
-	NVKM_ENGINE_MPEG,
-	NVKM_ENGINE_ME,
-	NVKM_ENGINE_VP,
-	NVKM_ENGINE_CIPHER,
 	NVKM_ENGINE_BSP,
-	NVKM_ENGINE_MSPPP,
+
 	NVKM_ENGINE_CE0,
 	NVKM_ENGINE_CE1,
 	NVKM_ENGINE_CE2,
-	NVKM_ENGINE_VIC,
-	NVKM_ENGINE_MSENC,
+	NVKM_ENGINE_CE_LAST = NVKM_ENGINE_CE2,
+
+	NVKM_ENGINE_CIPHER,
 	NVKM_ENGINE_DISP,
-	NVKM_ENGINE_PM,
-	NVKM_ENGINE_MSVLD,
-	NVKM_ENGINE_SEC,
+	NVKM_ENGINE_DMAOBJ,
+	NVKM_ENGINE_FIFO,
+	NVKM_ENGINE_GR,
+	NVKM_ENGINE_IFB,
+	NVKM_ENGINE_ME,
+	NVKM_ENGINE_MPEG,
+	NVKM_ENGINE_MSENC,
 	NVKM_ENGINE_MSPDEC,
+	NVKM_ENGINE_MSPPP,
+	NVKM_ENGINE_MSVLD,
+	NVKM_ENGINE_PM,
+	NVKM_ENGINE_SEC,
+	NVKM_ENGINE_SW,
+	NVKM_ENGINE_VIC,
+	NVKM_ENGINE_VP,
 
 	NVKM_SUBDEV_NR
 };