media: MAINTAINERS: ov5647: Replace maintainer

Since the current maintainer email address bounces back, replace
the entry and make myself and Dave Stevenson maintainers of the driver.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Acked-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

MAINTAINERS

@@ -12757,7 +12757,8 @@ T:	git git://linuxtv.org/media_tree.git
 F:	drivers/media/i2c/ov5640.c
 
 OMNIVISION OV5647 SENSOR DRIVER
-M:	Luis Oliveira <lolivei@synopsys.com>
+M:	Dave Stevenson <dave.stevenson@raspberrypi.com>
+M:	Jacopo Mondi <jacopo@jmondi.org>
 L:	linux-media@vger.kernel.org
 S:	Maintained
 T:	git git://linuxtv.org/media_tree.git