ARM: Kirkwood: Fix iconnect leds

While converting, a led has been missed leading to wrong power blue led
definition. Add it back and fix the gpio used on the power blue led.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>