leds: turris-omnia: Drop commas in the terminator entries

Drop commas in terminator entries of `struct attribute` array and
`struct of_device_id` array.

Signed-off-by: Marek Behún <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Lee Jones <[e-mail]>

drivers/leds/leds-turris-omnia.c

···
 static struct attribute *omnia_led_controller_attrs[] = {
 	&dev_attr_brightness.attr,
 	&dev_attr_gamma_correction.attr,
-	NULL,
+	NULL
 };
 ATTRIBUTE_GROUPS(omnia_led_controller);
 
···
 
 static const struct of_device_id of_omnia_leds_match[] = {
 	{ .compatible = "cznic,turris-omnia-leds", },
-	{},
+	{ }
 };
 MODULE_DEVICE_TABLE(of, of_omnia_leds_match);