[media] MAINTAINERS: update atmel-isi.c path

The driver moved to drivers/media/platform/atmel.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

MAINTAINERS

@@ -2224,7 +2224,7 @@ ATMEL ISI DRIVER
 M:	Ludovic Desroches <ludovic.desroches@microchip.com>
 L:	linux-media@vger.kernel.org
 S:	Supported
-F:	drivers/media/platform/soc_camera/atmel-isi.c
+F:	drivers/media/platform/atmel/atmel-isi.c
 F:	include/media/atmel-isi.h
 
 ATMEL LCDFB DRIVER