Aarch64: Update syscall usage
Don't use syscalls that are non-existent on Aarch64 linux boxes. The FORK and RMDIR syscalls are no longer present and the CLONE and UNLINKAT syscalls are used instead.
Don't use syscalls that are non-existent on Aarch64 linux boxes. The FORK and RMDIR syscalls are no longer present and the CLONE and UNLINKAT syscalls are used instead.