commands: Fix memtest return value

Signed-off-by: Christian Hemp <c.hemp@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
PCM051: Fix muxing of MMC0 CD

Card detect should be rather muxed as gpio then
mmc0_sdcd, as driver does not support this.

Signed-off-by: Teresa Gámez <t.gamez@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Release v2013.09.0

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>