Get Present property for Dimms

From smbios file, for physically not present dimms details are filled
as "NO DIMM". Using which populating Present property under
xyz.openbmc_project.Inventory.Item interface with
true/false that indicates presence of dimms and making manufacturer
value empty for no dimm presence.

Tested:
Checked property is filled via dbus call.

Signed-off-by: Joshi-Mansi <mansi.joshi@linux.intel.com>
Change-Id: I84b05aeef3f77353fee1b663d39f3451c8faa337
2 files changed