MAINTAINERS: update filter of FUSE documentation

There are some fuse-*.rst files in Documentation directory,
let's make get_mantainers.pl work on those file instead of only
fuse.rst.

Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Chen Linxuan <chenlinxuan@uniontech.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

Author: black-desk

MAINTAINERS

@@ -9726,7 +9726,7 @@ L:	linux-fsdevel@vger.kernel.org
 S:	Maintained
 W:	https://github.com/libfuse/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git
-F:	Documentation/filesystems/fuse.rst
+F:	Documentation/filesystems/fuse*
 F:	fs/fuse/
 F:	include/uapi/linux/fuse.h