drm/nouveau: rebase per-channel pramin heap offsets to 0

Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 372adfd..b8511c1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -151,6 +151,10 @@
 	uint32_t flags;
 	int refcount;
 
+	u32 pinst;
+	u32 cinst;
+	u64 vinst;
+
 	uint32_t engine;
 	uint32_t class;