[clang] [clang][test] Fix builtin-rotate.c test __int128 test failure on ARM32 (PR #177732)

[NagaChaitanya Vellanki via cfe-commits]

================
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -ffreestanding %s -emit-llvm -o - | FileCheck %s
+// RUN: %if clang-target-64-bits %{ %clang_cc1 -ffreestanding %s -emit-llvm -o - | FileCheck %s --check-prefix=INT128 %}
----------------
chaitanyav wrote:

its also used in other files

```
clang/test/Preprocessor/SOURCE_DATE_EPOCH.c
15:// RUN: %if !system-windows && clang-target-64-bits %{ %clang_cc1 -source-date-epoch 253402300799 -E -Wdate-time %s 2>&1 | FileCheck %s --check-prefix=99991231 %}
```

https://github.com/llvm/llvm-project/pull/177732