Update stdarch submodule to use llvm_asm! instead of asm!

Author: Amanieu

src/libcore/macros/mod.rs

@@ -1316,6 +1316,10 @@ pub(crate) mod builtin {
         issue = "70173",
         reason = "inline assembly is not stable enough for use and is subject to change"
     )]
+    #[rustc_deprecated(
+        since = "1.44.0",
+        reason = "the syntax of asm! will change soon, use llvm_asm! to avoid breakage"
+    )]
     #[rustc_builtin_macro]
     #[macro_export]
     macro_rules! asm {