media: i2c: ov01a10: Move setting of ctrl->flags to after checking ctrl_hdlr->error

media: i2c: ov01a10: Move setting of ctrl->flags to after checking ctrl_hdlr->error

Instead of checking successful creation of the link_freq and vblank
controls, set their flags after checking ctrl_hdlr->error where it
is guaranteed that the controls will exist.

Signed-off-by: Hans de Goede <hansg@kernel.org>
Tested-by: Mehdi Djait <mehdi.djait@linux.intel.com> # Dell XPS 9315
Reviewed-by: Mehdi Djait <mehdi.djait@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>