[HIPIFY] Add device texture fetch functions support

+ Add a corresponding reverse engineered sample tex2dKernel with texture template

hipify-clang/src/CUDA2HIP.cpp

@@ -33,6 +33,7 @@ const std::map <llvm::StringRef, hipCounter> CUDA_INCLUDE_MAP{
   {"driver_types.h",            {"hip/driver_types.h",       "", CONV_INCLUDE,             API_RUNTIME}},
   {"cuda_fp16.h",               {"hip/hip_fp16.h",           "", CONV_INCLUDE,             API_RUNTIME}},
   {"cuda_texture_types.h",      {"hip/hip_texture_types.h",  "", CONV_INCLUDE,             API_RUNTIME}},
+  {"texture_fetch_functions.h", {"",                         "", CONV_INCLUDE,             API_RUNTIME}},
   {"vector_types.h",            {"hip/hip_vector_types.h",   "", CONV_INCLUDE,             API_RUNTIME}},
   {"cuda_profiler_api.h",       {"hip/hip_profile.h",        "", CONV_INCLUDE,             API_RUNTIME}},
   // cuComplex includes