Revert "[PECOFF] Fix atom ordinals."

This reverts commit r195852 because LLD seems to create broken executables
with that patch when compiled with MSVC 2013.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@196078 91177308-0d34-0410-b5e6-96231b3b80d8
[PECOFF] Make /subsystem option parser a separate function.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@196092 91177308-0d34-0410-b5e6-96231b3b80d8
[PECOFF] Print reason if file parsing failed.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@196185 91177308-0d34-0410-b5e6-96231b3b80d8
[PECOFF] Print input file names if /verbose is specified.

git-svn-id: https://llvm.org/svn/llvm-project/lld/trunk@196196 91177308-0d34-0410-b5e6-96231b3b80d8