Remove hip-hcc codes: Part three

1.Rename include/hip/hcc_detail/ as include/hip/amd_detail/

2.Rename include/hip/nvcc_detail/ as include/hip/nvidia_detail/

3.Create __HIP_PLATFORM_AMD__ to replace __HIP_PLATFORM_HCC__

4.Create __HIP_PLATFORM_NVIDIA__ to replace __HIP_PLATFORM_NVCC__

After hcc_detail, nvcc_detail, __HIP_PLATFORM_HCC__ and __HIP_PLATFORM_NVCC__
have been removed from upstream, they will be removed from hip runtime.

Change-Id: I1ae457effd739d6c25bca203c1724b026be21fce

include/hip/math_functions.h

@@ -29,12 +29,12 @@ THE SOFTWARE.
 
 #include <hip/hip_common.h>
 
-#if defined(__HIP_PLATFORM_HCC__) && !defined(__HIP_PLATFORM_NVCC__)
-#include <hip/hcc_detail/math_functions.h>
-#elif defined(__HIP_PLATFORM_NVCC__) && !defined(__HIP_PLATFORM_HCC__)
-//#include <hip/nvcc_detail/math_functions.h>
+#if (defined(__HIP_PLATFORM_HCC__) || defined(__HIP_PLATFORM_AMD__)) && !(defined(__HIP_PLATFORM_NVCC__) || defined(__HIP_PLATFORM_NVIDIA__))
+#include <hip/amd_detail/math_functions.h>
+#elif !(defined(__HIP_PLATFORM_HCC__) || defined(__HIP_PLATFORM_AMD__)) && (defined(__HIP_PLATFORM_NVCC__) || defined(__HIP_PLATFORM_NVIDIA__))
+//#include <hip/nvidia_detail/math_functions.h>
 #else
-#error("Must define exactly one of __HIP_PLATFORM_HCC__ or __HIP_PLATFORM_NVCC__");
+#error("Must define exactly one of __HIP_PLATFORM_AMD__ or __HIP_PLATFORM_NVIDIA__");
 #endif
 
 #endif