uefi: Revising style for EFI Shell CurDir functions

Co-authored-by: Nicholas Bishop <[email protected]>

Author: RenTrieu

uefi/src/proto/shell/mod.rs

@@ -52,7 +52,7 @@ impl Shell {
     ///
     /// # Errors
     ///
-    /// * `Status::EFI_NOT_FOUND` - The directory does not exist
+    /// * [`Status::EFI_NOT_FOUND`] - The directory does not exist
     pub fn set_current_dir(
         &self,
         file_system: Option<&CStr16>,