drm/nouveau: chan: use struct nvif_mclass

Use actual struct nvif_mclass instead of identical anonymous struct.

Reviewed-by: Dave Airlie <[email protected]>
Reviewed-by: Lyude Paul <[email protected]>
Signed-off-by: Danilo Krummrich <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: dakr

drivers/gpu/drm/nouveau/nouveau_chan.c

@@ -257,10 +257,7 @@ static int
 nouveau_channel_ctor(struct nouveau_drm *drm, struct nvif_device *device, bool priv, u64 runm,
 		     struct nouveau_channel **pchan)
 {
-	static const struct {
-		s32 oclass;
-		int version;
-	} hosts[] = {
+	const struct nvif_mclass hosts[] = {
 		{  AMPERE_CHANNEL_GPFIFO_B, 0 },
 		{  AMPERE_CHANNEL_GPFIFO_A, 0 },
 		{  TURING_CHANNEL_GPFIFO_A, 0 },