pcp-dstat: add mysql and innodb plugin configuration file
pcp-dstat: add mysql and innodb plugin configuration file

Resolves https://github.com/performancecopilot/pcp/issues/830

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