media: ov08x40: Add support for 2/4 lanes at 1500 Mbps

Add register settings for 1500Mbps to support both 2-lane
and 4-lane configurations

Signed-off-by: Jason Chen <jason.z.chen@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>