MAINTAINERS: fix Documentation/mei/

The documentation was moved to Documentation/misc-devices/mei/ instead.
Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

MAINTAINERS

@@ -4117,7 +4117,7 @@ L:	linux-kernel@vger.kernel.org
 S:	Supported
 F:	include/uapi/linux/mei.h
 F:	drivers/misc/mei/*
-F:	Documentation/mei/*
+F:	Documentation/misc-devices/mei/*
 
 IOC3 ETHERNET DRIVER
 M:	Ralf Baechle <ralf@linux-mips.org>