[Clang] Change the offload packager build to be a clang tool

Summary:
This patch changes the CMake build configruation for the
`clang-offload-packager` to be a clang tool rather than an executable.

Author: jhuber6

clang/tools/clang-offload-packager/CMakeLists.txt

@@ -3,26 +3,16 @@ set(LLVM_LINK_COMPONENTS
   Object
   Support)
 
-if(NOT CLANG_BUILT_STANDALONE)
-  set(tablegen_deps intrinsics_gen)
-endif()
-
-add_clang_executable(clang-offload-packager
+add_clang_tool(clang-offload-packager
   ClangOffloadPackager.cpp
 
   DEPENDS
   ${tablegen_deps}
   )
 
-set(CLANG_LINKER_WRAPPER_LIB_DEPS
-  clangBasic
-  )
-
 add_dependencies(clang clang-offload-packager)
 
-target_link_libraries(clang-offload-packager
+clang_target_link_libraries(clang-offload-packager
   PRIVATE
-  ${CLANG_LINKER_WRAPPER_LIB_DEPS}
+  clangBasic
   )
-
-install(TARGETS clang-offload-packager RUNTIME DESTINATION bin)