Need to fix the errors detected with cargo clippy test

[liuw1]

Command:

cargo clippy --target=x86_64-unknown-none --all-features

Error Log:

error: cannot find macro `asm` in this scope
  --> td-payload/src/bin/example/stack.rs:26:9
   |
26 |         asm!("mov {}, rsp", out(reg) rsp);
   |         ^^^
   |
help: consider importing this macro
   |
16 + use core::arch::asm;
   |

error[E0412]: cannot find type `RuntimeMemoryLayout` in this scope
  --> td-payload/src/bin/example/stack.rs:32:35
   |
32 | pub fn bench_stack(memory_layout: RuntimeMemoryLayout) {
   |                                   ^^^^^^^^^^^^^^^^^^^ not found in this scope

error[E0425]: cannot find value `memory_layout` in this scope
  --> td-payload/src/bin/example/main.rs:52:28
   |
52 |         stack::bench_stack(memory_layout);
   |                            ^^^^^^^^^^^^^ not found in this scope

Some errors have detailed explanations: E0412, E0425.
For more information about an error, try `rustc --explain E0412`.
error: could not compile `td-payload` (bin "example") due to 3 previous errors