checkbox-support:parsers:cpuinfo: Added support for ppc64el
checkbox-support:parsers:cpuinfo: Default values for cache/bogomips are -1
checkbox-support:tests:cpuinfo: Added a new test for powerKVM (ppc64el arch)
"automatic merge of lp:~sylvain-pineau/checkbox/fix-1387843/ by tarmac [r=roadmr][bug=1387843][author=sylvain-pineau]"