media: imx335: Add MAINTAINER entry

In commit 5b0e91fd ("media: imx335: Orphan the driver"), the IMX335
driver was marked as an orphan.

I have several of these sensors, tested on Raspberry Pi and NXP systems,
and the full datasheet. Add myself as a maintainer for the IMX335.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>