Servod: Split setup.py

Split setup.py into each directory

BUG=b:360749049
TEST=sudo emerge hdctools
TEST=sudo I_NEED_SERVOD=1 servod in chroot
TEST=sudo servo_updater in chroot

Change-Id: I3038c84a098ecb274b64ac00af52c4df6470cdbf
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/hdctools/+/5846488
Commit-Queue: Keith Haddow <haddowk@chromium.org>
Auto-Submit: Brian Nemec <bnemec@google.com>
Reviewed-by: Brian Nemec <bnemec@google.com>
Reviewed-by: Keith Haddow <haddowk@chromium.org>
Tested-by: Brian Nemec <bnemec@google.com>
Reviewed-by: 488603086791@cloudbuild.gserviceaccount.com <488603086791@cloudbuild.gserviceaccount.com>
7 files changed