Update to power on system before reading voltages
Update to power on system before reading voltages

Signed-off-by: Marissa Garza <424011111c4cdcbbd5c0b9688f85ae729ad2081f@us.ibm.com>
Change-Id: I6a1fa8db3488c3f6f53dfe6412be216bfa4b781e

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation