pmseries: fix option checking and hang on some options
pmseries: fix option checking and hang on some options

Almost at the point qa/1211 can be enabled with async IO
rewrite of libpcp_web.

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp