MAINTAINERS: The Chinese documentation moved

Update the F: line accordingly.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

MAINTAINERS

@@ -3072,7 +3072,7 @@ M:	Harry Wei <harryxiyou@gmail.com>
 L:	xiyoulinuxkernelgroup@googlegroups.com (subscribers-only)
 L:	linux-kernel@zh-kernel.org (moderated for non-subscribers)
 S:	Maintained
-F:	Documentation/zh_CN/
+F:	Documentation/translations/zh_CN/
 
 CHIPIDEA USB HIGH SPEED DUAL ROLE CONTROLLER
 M:	Peter Chen <Peter.Chen@nxp.com>