Refactor test gdb_read_write_register
Refactor test gdb_read_write_register

Use array for register values, and test boundaries

jbush001/NyuziProcessor,jbush001/NyuziProcessor,jbush001/NyuziProcessor,jbush001/NyuziProcessor,jbush001/NyuziProcessor,jbush001/NyuziProcessor