Rename signals in instruction fetch stage to be a little clearer
Rename signals in instruction fetch stage to be a little clearer

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