[llvm] [llvm][test] Fix filecheck annotation typos [2/n] (PR #95433)

[via llvm-commits]

================
@@ -28,7 +28,7 @@ define amdgpu_kernel void @test_f64_denormals(ptr addrspace(1) %out0, ptr addrsp
 }
 
 ; GCN-LABEL: {{^}}test_f32_denormals:
-; GCNL: FloatMode: 48
+; GCN: FloatMode: 48
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klensy wrote:

```
<stdin>:214:3: note: possible intended match here
FloatMode: 240
```

https://github.com/llvm/llvm-project/pull/95433