[CMake] Include llvm-objcopy tool in Fuchsia toolchain

Differential Revision: https://reviews.llvm.org/D36194

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309786 91177308-0d34-0410-b5e6-96231b3b80d8

cmake/caches/Fuchsia-stage2.cmake

@@ -63,6 +63,7 @@ set(LLVM_TOOLCHAIN_TOOLS
   llvm-dsymutil
   llvm-lib
   llvm-nm
+  llvm-objcopy
   llvm-objdump
   llvm-profdata
   llvm-ranlib