std: fix module references on UEFI

Author: joboet

library/std/src/sys/pal/uefi/alloc.rs

@@ -3,9 +3,9 @@
 
 use r_efi::protocols::loaded_image;
 
+use super::helpers;
 use crate::alloc::{GlobalAlloc, Layout, System};
 use crate::sync::OnceLock;
-use crate::sys::uefi::helpers;
 
 #[stable(feature = "alloc_system_type", since = "1.28.0")]
 unsafe impl GlobalAlloc for System {

library/std/src/sys/pal/uefi/args.rs

@@ -1,11 +1,11 @@
 use r_efi::protocols::loaded_image;
 
+use super::helpers;
 use crate::env::current_exe;
 use crate::ffi::OsString;
 use crate::fmt;
 use crate::iter::Iterator;
 use crate::mem::size_of;
-use crate::sys::uefi::helpers;
 use crate::vec;
 
 pub struct Args {