linux-wandboard

include/linux/leds-regulator.h: fix syntax in example code

Fix struct field initializer syntax in some example code from a comment,
this will make copying and pasting the code more straightforward.

Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>