zephyr: sync: Move use into module

These belong within the module.

Signed-off-by: David Brown <[email protected]>

Author: d3zd3z

zephyr/src/sync.rs

@@ -25,14 +25,11 @@ pub mod atomic {
     pub use portable_atomic::*;
 }
 
-#[cfg(CONFIG_RUST_ALLOC)]
-pub use portable_atomic_util::Arc;
-#[cfg(CONFIG_RUST_ALLOC)]
-pub use portable_atomic_util::Weak;
-
 #[cfg(CONFIG_RUST_ALLOC)]
 mod pinweak {
     use core::pin::Pin;
+    pub use portable_atomic_util::Arc;
+    pub use portable_atomic_util::Weak;
 
     /// Safe Pinned Weak references.
     ///