Update inventory host reboot keyword with "Host Reboot"
Update inventory host reboot keyword with "Host Reboot"

Change-Id: Icef2394447fbacd9cd61938e9d3ad877a0374017
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

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