Add bytewise copy test to validate all cache lanes.
Add bytewise copy test to validate all cache lanes.

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