of AsmPrinter and InstLowering into libx86 and out of the
asmprinter subdirectory. Now X86/AsmPrinter just depends on
MC stuff, not all of codegen and LLVM IR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108782 91177308-0d34-0410-b5e6-96231b3b80d8