media: i2c: add MAX96717 driver

media: i2c: add MAX96717 driver

This driver handles the MAX96717 serializer in tunnel mode.
All incoming CSI traffic will be tunneled through the GMSL2
link.

The MAX96717 driver can handle MAX96717 and MAX96717F variants
with the same "maxim,max96717f" compatible.

Signed-off-by: Julien Massot <julien.massot@collabora.com>
[Sakari Ailus: Adapt to changed i2c_mux_add_adapter arguments.]
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>