tree ee5feecbbd9379d23f9d5f17e51bd8ea721bbff6
parent b666433986470ba76ed7357ea026db39ad0b404b
author Matt Spinler <spinler@us.ibm.com> 1568223367 -0500
committer Matt Spinler <spinler@us.ibm.com> 1569612375 -0500

PEL: Interface to collect system data

There are PEL fields that contain information that must be obtained from
various places throughout the BMC, such as the machine type/model/SN
from VPD, a few types of codes levels, etc.

Create a DataInterface class that will provide the APIs for collecting
this information.  It has an abstract base class so that its functions
can be mocked to return specific data in test cases.

This commit provides APIs to read and present the machine type-model and
machine serial number.  These will be used in the FailingMTM and
ExtendedUserHeader PEL sections.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: Iec41fea8d9510ba711475154f019bd59f0028d2e