func(IQ): add fuBusyTable

func(IssueQueue): suppport fuBusyTable write with og0Resp & og1Resp

func(RSFeedbackType): delete issueFail/rfArbitFail in RSFeedbackType

func(Fu):make some FuncUnits piped

fix(fuBusyTable): fix write of fuBusyTable

type(fuBusyTable): rename & delete some comments