Updating the makefile to reflect CMake; addendum to r193989.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@193990 91177308-0d34-0410-b5e6-96231b3b80d8
clang/lib/Parse/CMakeLists.txt: Fixup corresponding to r193989. ClangAttrTypeArg is required here.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@193991 91177308-0d34-0410-b5e6-96231b3b80d8