Make clang-tblgen's Makefile independent of Clang's top-level Makefile,
to avoid having to make it available for the cross build when it
builds only clang-tblgen.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141453 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed