rust: device: property: Fix use for Sealed trait

Signed-off-by: Janne Grunau <j@jannau.net>

Author: jannau

rust/kernel/device/property.rs

@@ -9,9 +9,9 @@ use core::{mem::MaybeUninit, ptr};
 use crate::{
     alloc::KVec,
     bindings,
+    device::private::Sealed,
     error::{to_result, Result},
     prelude::*,
-    private::Sealed,
     str::{CStr, CString},
     types::{ARef, Opaque},
 };