setup: configure upload_docs
setup: configure upload_docs

Tell setuptools where we build the documentation so that "python setup.py
upload_docs" works.

joelagnel/trappy,bjackman/trappy,ARM-software/trappy,sinkap/trappy,ARM-software/trappy,sinkap/trappy,bjackman/trappy,ARM-software/trappy,JaviMerino/trappy,JaviMerino/trappy,sinkap/trappy,joelagnel/trappy,joelagnel/trappy,bjackman/trappy,joelagnel/trappy,JaviMerino/trappy,sinkap/trappy,ARM-software/trappy,bjackman/trappy