Stub display_present

dev/virtio/gpu/virtio-gpu.c

Index: dev/virtio/gpu/virtio-gpu.c
diff --git a/dev/virtio/gpu/virtio-gpu.c b/dev/virtio/gpu/virtio-gpu.c
index f9e78bd1941486f5f4ea9c1d3e80ecfff209f7cd..93e1e06e91ea73601af41cc84f4b1163dd533578 100644
--- a/dev/virtio/gpu/virtio-gpu.c
+++ b/dev/virtio/gpu/virtio-gpu.c
@@ -590,3 +590,10 @@ status_t display_get_info(struct display_info *info)
 
     return NO_ERROR;
 }
+
+status_t display_present(struct display_image *image, uint starty, uint endy)
+{
+  TRACEF("display_present - not implemented");
+  DEBUG_ASSERT(false);
+  return NO_ERROR;
+}