[llvm] [Coroutines] Improved formatting of the SpillUtils comment on ptr tracking (PR #112376)

[Chuanqi Xu via llvm-commits]

ChuanqiXu9 wrote:

Some nits comment: generally we like to see `[NFC]` in the title of such comments and a label like `skip-precommit-approval` 

https://github.com/llvm/llvm-project/pull/112376