[MachO] Extract MachO load command enums into a def file

Having the MachO enums in a def file instead of inline will allow us to write utilities and encoding/decoding methods for load commands without having to write a lot of mechanically repeated code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@269380 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed