SWDEV-283266 - __HIPCC_RTC__ macro added to HIP headers

For hipRTC on Windows, add macro __HIPCC_RTC__ to allow
online compilation of with device functions excluding standard
C/C++ headers, system headers, and host HIP APIs.

Change-Id: I1d91f042baf1359856ec83ab7030dc58785e0334

include/hip/amd_detail/device_functions.h

@@ -26,9 +26,10 @@ THE SOFTWARE.
 #include "host_defines.h"
 #include "math_fwd.h"
 
+#if !defined(__HIPCC_RTC__)
 #include <hip/hip_runtime_api.h>
 #include <stddef.h>
-
+#endif // !defined(__HIPCC_RTC__)
 
 #include <hip/hip_vector_types.h>
 #include <hip/amd_detail/device_library_decls.h>