[lld] [llvm] [WebAssembly] Fix typos (PR #219339)

[Derek Schuff via llvm-commits]

dschuff wrote:

> Thank you for correcting the spelling! However, if you change the spelling of the test cases, you may also need to modify the corresponding spelling in some parts of the source code.

I didn't see instances of this, please point them out if you see any.

https://github.com/llvm/llvm-project/pull/219339