Update verilog/rtl/execute_stage.v
Update verilog/rtl/execute_stage.v

jbush001/NyuziProcessor,FulcronZ/NyuziProcessor,hoangt/NyuziProcessor,hoangt/NyuziProcessor,hoangt/NyuziProcessor,FulcronZ/NyuziProcessor,jbush001/NyuziProcessor,jbush001/NyuziProcessor,jbush001/NyuziProcessor,hoangt/NyuziProcessor,jbush001/NyuziProcessor,FulcronZ/NyuziProcessor,FulcronZ/NyuziProcessor,jbush001/NyuziProcessor