media: i2c: ov5645: Replace dev_err with dev_err_probe in probe function

Refactor error handling in the ov5645_probe() function by replacing
multiple dev_err() calls with dev_err_probe().

- Note that during this process, the error string "external clock
  frequency %u is not supported" was replaced with "unsupported xclk
  frequency %u" to ensure it wraps at 80 columns.
- Additionally, the error string for control initialization failure was
  changed from "%s: control initialization error %d\n" to "failed to add
  controls\n" as there is no need to print the function name and error code
  in the string, since dev_err_probe() already provides this information.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>