[llvm] [llvm][test] Fix filecheck annotation typos [1/n] (PR #93673)

[via llvm-commits]

================
@@ -30,7 +30,7 @@ foo:
         .long "a 0"
 
 // CHECK: .section "a 1,a 2"
-//.section "a 1", "a 2"
+.section "a 1", "a 2"
----------------
klensy wrote:

```
<stdin>:24:2: note: possible intended match here
 .section a 1,"a 2"
```

https://github.com/llvm/llvm-project/pull/93673