Fix ADMIN_PASSWD reference
Fix ADMIN_PASSWD reference

Change-Id: Ieb93587a19e3e0b72b8a2dda6eeaf870c3b1303f

open-power-ref-design-toolkit/os-services,open-power-ref-design/os-services,open-power-ref-design-toolkit/os-services,open-power-ref-design/os-services,open-power-ref-design-toolkit/os-services