oemcommands: Always return MB FRU object path for single-host system

For single-host platforms, the debug card always displays the MB FRU
information.

Add a check to distinguish between multi-host and single-host systems,
and always return the MB object path when running on a single-host
platform.

Change-Id: Ia2b41dac01ea53cb5e927186400df94c3130c73d
Signed-off-by: Potin Lai <potin.lai@quantatw.com>
1 file changed