MAINTAINERS: Fix maintainer entry for mei driver

mei driver has sub modules, those are not
listed via scripts/get_maintainer.pl when using asterisk:
drivers/misc/mei/*
The correct notation is:
drivers/misc/mei/

Cc: Joe Perches <[email protected]>
Signed-off-by: Tomas Winkler <[email protected]>
Reviewed-by: Gustavo A. R. Silva <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Tomas Winkler

MAINTAINERS

@@ -8789,7 +8789,7 @@ M:	Tomas Winkler <[email protected]>
 L:	[email protected]
 S:	Supported
 F:	Documentation/driver-api/mei/*
-F:	drivers/misc/mei/*
+F:	drivers/misc/mei/
 F:	drivers/watchdog/mei_wdt.c
 F:	include/linux/mei_cl_bus.h
 F:	include/uapi/linux/mei.h