Rearchitect video driver:
- Define two video I/F(struct imgsensor_ops_s and struct imgdata_ops_s),
and support them.
- CISIF driver supports new video I/F struct imgdata_ops_s.
- ISX012 driver supports new video I/F struct imgsensor_ops_s.
- Move ISX012 driver to general driver directory.
drivers: video: add basic Video Stream support
basic video stream and capture implementation based on the
spresense SDK code release
Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
Approved-by: Gregory Nutt <gnutt@nuttx.org>