Status for upgrade operation of the Master device to replace
the current driver (version eocBrMasterWorkingEoCDrvVer) with
the new uploaded driver (version eocBrMasterUploadEoCDrvVer).
The SNMP manager can upgrade the EoC Master device by set the
eocBrMasterDrvUpgradeAction value to activate(1);
and submit to the bridge to start the upgrade procedure.
The status (eocBrMasterDrvUpgradeStatus) will go from
inProgress(1) status back to the initial normalOrComplete(0) status.