fixed triangle away support

Signed-off-by: zwliew <zhaoweiliew@gmail.com>
drivers/leds/leds-an30259a.c: Implemented better fading led notifications

Change-Id: I26a23da41be5b63f75c46018c20b21225db8ed3d
Signed-off-by: zwliew <zhaoweiliew@gmail.com>