Converted plugins/openbsd/cpu to Mixlib::ShellOut.
Converted plugins/openbsd/cpu to Mixlib::ShellOut.

chef/ohai,acaiafa/ohai,juliandunn/ohai,dreamnite/ohai,davide125/ohai,numericillustration/ohai,mattray/ohai,mattray/ohai,jbfavre/ohai,cmluciano/ohai,phreakocious/ohai,Juniper/ohai,davide125/ohai,johnbellone/ohai,adamleff/ohai,bougyman/ohai,dreamnite/ohai,http-418/ohai,cmluciano/ohai,jseely/ohai,MSOpenTech/ohai,criteo-forks/ohai,Juniper/ohai,criteo-forks/ohai,zshuo/ohai,johnbellone/ohai,tas50/ohai-1,juliandunn/ohai,jaymzh/ohai,broadinstitute/ohai,375gnu/ohai,btm/ohai,bougyman/ohai,broadinstitute/ohai,chef/ohai,glennmatthews/ohai,shtzr840329/ohai,higanworks/ohai,sh9189/ohai,phreakocious/ohai,numericillustration/ohai,jaymzh/ohai,Fodoj/ohai,n-marton/ohai,sh9189/ohai,adamleff/ohai,nathwill/ohai,btm/ohai,shtzr840329/ohai,n-marton/ohai,higanworks/ohai,375gnu/ohai,glennmatthews/ohai,jbfavre/ohai,MSOpenTech/ohai,jseely/ohai,zshuo/ohai,Fodoj/ohai,acaiafa/ohai,http-418/ohai,tas50/ohai-1,nathwill/ohai