This piece of code enable the system to be wake-up by a card insertion or removal.
Signed-off-by: NMarc Pignat <marc.pignat@hevs.ch>
Signed-off-by: NNicolas Ferre <nicolas.ferre@rfo.atmel.com>
Signed-off-by: NPierre Ossman <drzeus@drzeus.cx>