[clang] [NFC][Clang][Headers] Update refs to ACLE in comments (PR #78305)

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:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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git-clang-format --diff 6c1b5ec213ee7376bed9357211e5582931318974 bc6d669367ff399fddfb9b1bbc2fdc8effbfc408 -- clang/lib/Headers/arm_acle.h
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Headers/arm_acle.h b/clang/lib/Headers/arm_acle.h
index 9cd34948e3..2360685fa1 100644
--- a/clang/lib/Headers/arm_acle.h
+++ b/clang/lib/Headers/arm_acle.h
@@ -341,7 +341,6 @@ __smlawt(int32_t __a, int32_t __b, int32_t __c) {
 }
 #endif
 
-
 /* 8.5.4 Parallel 16-bit saturation */
 #if defined(__ARM_FEATURE_SIMD32) && __ARM_FEATURE_SIMD32
 #define __ssat16(x, y) __builtin_arm_ssat16(x, y)

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https://github.com/llvm/llvm-project/pull/78305