[offload][utils] - Add cmake install step for gpurun

- add_subdirectory(utils) in offload CMakeLists.txt
- usage of new macro add_openmp_util to install utils
  into llvm/bin

Author: estewart08

offload/CMakeLists.txt

@@ -475,3 +475,5 @@ if(OFFLOAD_INCLUDE_TESTS)
   add_subdirectory(test)
   add_subdirectory(unittests)
 endif()
+
+add_subdirectory(utils)

offload/utils/CMakeLists.txt

@@ -0,0 +1,10 @@
+set(OPENMP_UTILS_INSTALL_DIR "${CMAKE_INSTALL_BINDIR}" CACHE PATH
+    "Path for binary subdirectory (defaults to '${CMAKE_INSTALL_BINDIR}')")
+
+macro(add_openmp_util path)
+  install(PROGRAMS
+     ${path}
+     DESTINATION "${OPENMP_UTILS_INSTALL_DIR}")
+endmacro()
+
+add_subdirectory(gpurun)

offload/utils/gpurun/CMakeLists.txt

@@ -0,0 +1 @@
+add_openmp_util(${CMAKE_CURRENT_SOURCE_DIR}/gpurun)