[sun4i_csi] (1/X) Remove two camera module support from CSI driver.
Remove code to select input camera module from vidioc_*_input routines.

Signed-off-by: Anatoliy Sokolov <aesok@post.ru>
[sun4i_csi] (2/X) Remove two camera module support from CSI driver.
Remove registration of the second camera sub device from csi_probe.

Signed-off-by: Anatoliy Sokolov <aesok@post.ru>
[sun4i_csi] (3/X) Remove two camera module support from CSI driver.
Remove code for handling second camera sub device from csi_open/csi_close.

Signed-off-by: Anatoliy Sokolov <aesok@post.ru>
[sun4i_csi] (4/X) Remove two camera module support from CSI driver.
Remove code for handling second camera sub device from csi_suspend and
csi_resume.

Signed-off-by: Anatoliy Sokolov <aesok@post.ru>
[sun4i_csi] (5/X) Remove two camera module support from CSI driver.
Remove ccm_cfg and dev_qty from struct csi_dev.

Signed-off-by: Anatoliy Sokolov <aesok@post.ru>