修改测试寄存器的用例

tb/shinTest/gen_pkt.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 #encoding=utf-8
 from pyutils import *
-from testcase import environment, readregs, ebmmu, errorPkt, watchdog, broadcast, sync, base, mac
+from testcase import environment, rwregs, ebmmu, errorPkt, watchdog, broadcast, sync, base, mac
 
 if __name__ == '__main__':
     environment.gen_slv_dev_num(4)

tb/shinTest/testcase/__init__.py

@@ -1,5 +1,5 @@
 # testcase/__init__.py
-from .readregs import *
+from .rwregs import *
 from .ebmmu import *
 from .errorPkt import *
 from .watchdog import *