backlight: ams369fg06: Constify lcd_ops

'struct lcd_ops' is not modified by core backlight code, so it can be
made const for increased code safety.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240424-video-backlight-lcd-ops-v2-2-1aaa82b07bc6@kernel.orgSigned-off-by: Lee Jones <lee@kernel.org>

drivers/video/backlight/ams369fg06.c

@@ -427,7 +427,7 @@ static int ams369fg06_set_brightness(struct backlight_device *bd)
 	return ret;
 }
 
-static struct lcd_ops ams369fg06_lcd_ops = {
+static const struct lcd_ops ams369fg06_lcd_ops = {
 	.get_power = ams369fg06_get_power,
 	.set_power = ams369fg06_set_power,
 };