address feedback

Signed-off-by: Sarnie, Nick <nick.sarnie@intel.com>

Author: sarnex

clang/lib/Headers/arm_acle.h

@@ -27,7 +27,7 @@
 extern "C" {
 #endif
 
-#if !defined(__CUDA__)
+#if !defined(__CUDA_ARCH__)
 
 /* 7 SYNCHRONIZATION, BARRIER AND HINT INTRINSICS */
 /* 7.3 Memory barriers */
@@ -72,7 +72,7 @@ static __inline__ void __attribute__((__always_inline__, __nodebug__)) __yield(v
   __builtin_arm_yield();
 }
 #endif
-#endif // #if !defined(__CUDA__)
+#endif // #if !defined(__CUDA_ARCH__)
 
 #if defined(__ARM_32BIT_STATE) && __ARM_32BIT_STATE
 #define __dbg(t) __builtin_arm_dbg(t)