Fix broken IBM OEM Unit tests

Tested Log:
ninja: no work to do.
 1/28 libpldm_base_test                                          OK              0.05s
 2/28 libpldm_platform_test                                      OK              0.04s
 3/28 libpldm_bios_test                                          OK              0.04s
 4/28 libpldm_fru_test                                           OK              0.03s
 5/28 libpldm_utils_test                                         OK              0.02s
 6/28 libpldm_pdr_test                                           OK              0.02s
 7/28 ../../oem/ibm/test/libpldm_fileio_test                     OK              0.05s
 8/28 ../../oem/ibm/test/libpldm_host_test                       OK              0.05s
 9/28 libpldmresponder_base_test                                 OK              0.05s
10/28 libpldmresponder_bios_test                                 OK              0.04s
11/28 libpldmresponder_bios_attribute_test                       OK              0.04s
12/28 libpldmresponder_bios_string_attribute_test                OK              0.06s
13/28 libpldmresponder_bios_integer_attribute_test               OK              0.06s
14/28 libpldmresponder_bios_config_test                          OK              0.07s
15/28 libpldmresponder_bios_enum_attribute_test                  OK              0.06s
16/28 libpldmresponder_pdr_effecter_test                         OK              0.06s
17/28 libpldmresponder_pdr_sensor_test                           OK              0.05s
18/28 libpldmresponder_bios_table_test                           OK              0.07s
19/28 pldmd_instanceid_test                                      OK              0.05s
20/28 pldmd_registration_test                                    OK              0.05s
21/28 libpldmresponder_platform_test                             OK              0.07s
22/28 pldm_utils_test                                            OK              0.05s
23/28 libpldmresponder_fru_test                                  OK              0.04s
24/28 libpldmresponder_dbus_to_host_effecter_test                OK              0.04s
25/28 ../oem/ibm/test/libpldmresponder_oem_platform_test         OK              0.02s
26/28 ../oem/ibm/test/host_bmc_lamp_test                         OK              0.02s
27/28 ../oem/ibm/test/libpldmresponder_fileio_test               OK              0.04s
28/28 libpldm_bios_table_test                                    OK              2.14s

Ok:                 28
Expected Fail:      0
Fail:               0
Unexpected Pass:    0
Skipped:            0
Timeout:            0

Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: Iaacbefffebee252f0588db267c3e26f583a9edba