SWDEV-451099 - Added include for __half type definitions for non-HIP code on windows

Change-Id: Id80cef5a36db8707276de052cbaf73b6826d222f


[ROCm/clr commit: 2841aab017]

projects/clr/hipamd/include/hip/amd_detail/amd_hip_fp16.h

@@ -1800,7 +1800,7 @@ THE SOFTWARE.
              return tmp.h;
          }
     #endif // defined(__cplusplus)
-#elif defined(__GNUC__)
+#elif defined(__GNUC__) || defined(_MSC_VER)
     #if !defined(__HIPCC_RTC__)
       #include "hip_fp16_gcc.h"
     #endif