leds: Convert from struct class_device to struct device

Convert the LEDs class from struct class_device to struct device
since class_device is scheduled for removal.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --cc drivers/leds/led-class.c
Simple merge

diff --cc drivers/leds/led-triggers.c
Simple merge

diff --cc drivers/leds/leds-locomo.c
Simple merge

diff --cc drivers/leds/leds.h
Simple merge

diff --cc drivers/leds/ledtrig-timer.c
Simple merge

diff --cc include/linux/leds.h
Simple merge