[llvm-objdump] Move COFF function to where it belongs.

Ideally much more stuff should be moved out of llvm-objdump.cpp, but that
will happen later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256118 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed