#1963 hpisettime set a wrong time on ppc64 platform

[Than Ngo]

Version-Release number of selected component (if applicable):
openhpi-3.4.0-4.el7_3.1.ppc64
openhpi-3.4.0-4.el7_3.1.ppc

How reproducible:
sometimes it passed ok, not sure why

Steps to Reproduce:

1. hpisettime -d 02/02/2015 -t 24:15:50
2. check the new time in output
   3.

Actual results:
Current event log time on HPI target: 2016-11-14 20:00:56
Setting new event log time on HPI target ...
Read-Back-Check event log time: 2015-02-02 23:15:50

Expected results:
Current event log time on HPI target: 2016-11-14 20:00:56
Setting new event log time on HPI target ...
Read-Back-Check event log time: 2015-02-02 00:15:50