For a given physical interface, this object indicates the
restriction on trusting only a specific type of device which
is connected to this interface to carry the correct data for
classification.
trustCiscoIPPhone(0) indicates that there is a restriction
on trusting only ciscoIPPhone to carry the correct data for
classification.
If there is no bits turned on, any device connected to
this interface is trusted to carry the correct data for
clarification.
This object is only instantiated if the platform supports
trust device configuration.