auxdisplay: Add 7 and 14 segment mappings to MAINTAINERS

The mapping files are tightly related to auxdisplay subsystem.
Add them to the MAINTAINERS database.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>

MAINTAINERS

@@ -3383,6 +3383,8 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-auxdisplay.git
 F:	Documentation/devicetree/bindings/auxdisplay/
 F:	drivers/auxdisplay/
 F:	include/linux/cfag12864b.h
+F:	include/uapi/linux/map_to_14segment.h
+F:	include/uapi/linux/map_to_7segment.h
 
 AVIA HX711 ANALOG DIGITAL CONVERTER IIO DRIVER
 M:	Andreas Klinger <ak@it-klinger.de>