5060928 BaseTools: Use local variable for list of constants.

1 file Authored by Carsey, Jaben 6 years ago, Committed by Yonghong Zhu 6 years ago,
    BaseTools: Use local variable for list of constants.
    
    instead of listing in multiple places, use a single list.
    
    Cc: Liming Gao <liming.gao@intel.com>
    Cc: Yonghong Zhu <yonghong.zhu@intel.com>
    Contributed-under: TianoCore Contribution Agreement 1.1
    Signed-off-by: Jaben Carsey <jaben.carsey@intel.com>
    Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>