Add workaround for aarch64 Rust missing symbols (#1191)
Add workaround for aarch64 Rust missing symbols (#1191)

When building for aarch64, cross or native,
linking with musl will fail due to missing symbols.

This change only affects Rust code targetting:
    - aarch64-unknown-linux-musl

Workaround for:
https://github.com/rust-lang/compiler-builtins/issues/201
project-oak/oak,project-oak/oak,project-oak/oak,project-oak/oak,project-oak/oak,project-oak/oak,project-oak/oak