cmake HAS_ROCM examples

ROCm/hcc CMakeLists.txt :273 

endif (HAS_ROCM EQUAL 0)

ROCm/hcc lib/hsa/CMakeLists.txt :13 

else (HAS_ROCM EQUAL 1)

ROCm/hcc lib/hsa/CMakeLists.txt :15 

endif (HAS_ROCM EQUAL 1)