Reexport unborrow macro in HALs

embassy-rp/src/lib.rs

@@ -7,6 +7,9 @@ pub use rp2040_pac2 as pac;
 #[cfg(not(feature = "unstable-pac"))]
 pub(crate) use rp2040_pac2 as pac;
 
+pub use embassy::util::Unborrow;
+pub use embassy_hal_common::unborrow;
+
 // This mod MUST go first, so that the others see its macros.
 pub(crate) mod fmt;