Returns the dict representation of the DVS product_info

    dvs_name
        The name of the DVS

    dvs_capability
        The DVS capability

def _get_dvs_capability(dvs_name, dvs_capability):
    '''
    Returns the dict representation of the DVS product_info

    dvs_name
        The name of the DVS

    dvs_capability
        The DVS capability
    '''
    log.trace('Building the dict of the DVS \'%s\' capability', dvs_name)
    return {'operation_supported': dvs_capability.dvsOperationSupported,
            'portgroup_operation_supported':
            dvs_capability.dvPortGroupOperationSupported,
            'port_operation_supported': dvs_capability.dvPortOperationSupported}