OpenCL: Do not force 64 bit floats for (embedded) targets with only 32bit floats.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@197592 91177308-0d34-0410-b5e6-96231b3b80d8
check-clang: Fixup r197576, to replace CMAKE_CFG_INTDIR on clang_tools_dir.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@197593 91177308-0d34-0410-b5e6-96231b3b80d8