media: MAINTAINERS: add xisc files to isc driver entry

Add XISC driver and binding files to the ISC driver entry.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

MAINTAINERS

@@ -11991,10 +11991,12 @@ M:	Eugen Hristev <eugen.hristev@microchip.com>
 L:	linux-media@vger.kernel.org
 S:	Supported
 F:	Documentation/devicetree/bindings/media/atmel,isc.yaml
+F:	Documentation/devicetree/bindings/media/microchip,xisc.yaml
 F:	drivers/media/platform/atmel/atmel-isc-base.c
 F:	drivers/media/platform/atmel/atmel-isc-regs.h
 F:	drivers/media/platform/atmel/atmel-isc.h
 F:	drivers/media/platform/atmel/atmel-sama5d2-isc.c
+F:	drivers/media/platform/atmel/atmel-sama7g5-isc.c
 F:	include/linux/atmel-isc-media.h
 
 MICROCHIP ISI DRIVER