[clang] [clang-tools-extra] [flang] [llvm] [mlir] [polly] [test]: fix filecheck annotation typos (PR #91854)

[via llvm-commits]

klensy wrote:

> The Arm/AArch64 tests looks OK for the most part. I might be able to help with some of them if that is easier than trying to sort them all here.

It will be nice if you can list tests exactly so i can copy them into separate pr; or if you prefer, you can copy them yourself.

https://github.com/llvm/llvm-project/pull/91854