controller: Don't thread the arbitrary "ipmitool" command
controller: Don't thread the arbitrary "ipmitool" command

Since the raw ipmitool command can show info during execution,
threading it can cause the output to overlap and become
incomprehensible.

Cynerva/cxmanage,SilverLiningSystems/cxmanage-test2,SilverLiningSystems/cxmanage-test,Cynerva/cxmanage,SLS-Dev/cxmanage,SilverLiningSystems/cxmanage-test2,SilverLiningSystems/cxmanage-test,SLS-Dev/cxmanage