##### SUMMARY
This feature would implement a SetManagerNic command for the Manager category of redfish_config, to update Manager NIC configuration. 

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
redfish_config

##### ADDITIONAL INFORMATION
This command would help user to configure their Manager NIC.
ret = True
        entries = []
        resource_uris = self.manager_uris
        for resource_uri in resource_uris:
            virtualmedia = self.get_virtualmedia(resource_uri)
            ret = virtualmedia.pop('ret') and ret
            if 'entries' in virtualmedia:
                entries.append(({'resource_uri': resource_uri},
                               virtualmedia['entries']))
        return dict(ret=ret, entries=entries)
    def get_psu_inventory(self):
        result = {}
        psu_list = []
        psu_results = []
        key = "PowerSupplies"
        
        properties = ['Name', 'Model', 'SerialNumber', 'PartNumber', 'Manufacturer',
                      'FirmwareVersion', 'PowerCapacityWatts', 'PowerSupplyType',
                      'Status']
        
        
        chassis_uri_list = self.chassis_uris
        for chassis_uri in chassis_uri_list:
            response = self.get_request(self.root_uri + chassis_uri)
            if response['ret'] is False:
                return response