Cache inventory properties fault and present

The inventory properties 'fault' and 'present' were the only
inventory propertiess that were not being cached, so during a
cache restore, these values would be set to default instead
of being restored to their last value.
Resolves openbmc/openbmc#487

Change-Id: I5f445aea4958c2bcfe4c333f65f5d115e4822a63
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
1 file changed