backlight: hx8357: Move OF table closer to its consumer

Move OF table near to the user.

While at it, drop comma at terminator entry.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://lore.kernel.org/r/20240201144951.294215-3-andriy.shevchenko@linux.intel.com


Signed-off-by: Lee Jones <lee@kernel.org>