RSRB feature enabled/disabled for the DSPU node.
TRUE -> RSRB feature enabled
FALSE -> RSRB feature disabled
If the RSRB feature is enabled, the following object
values must be valid (i.e. non-zero):
- dspuNodeRsrbLocalVirtualRing
- dspuNodeRsrbBridgeNumber
- dspuNodeRsrbTargetVirtualRing
- dspuNodeRsrbVirtualMacAddress