MAINTAINERS: mei: add mei_cl_bus.h to maintained file list

mei_cl_bus.h was overlooked when we added the mei bus

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index f6ba62c..c58e2f0 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5279,6 +5279,7 @@
 L:	linux-kernel@vger.kernel.org
 S:	Supported
 F:	include/uapi/linux/mei.h
+F:	include/linux/mei_cl_bus.h
 F:	drivers/misc/mei/*
 F:	Documentation/misc-devices/mei/*