ARM: S3C64XX: Enable power management for disk on Cragganmore

We can happily let the MMC stack do power management for the MMC card
that is our main disk on Cragganmore so let's enable it.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s3c64xx/mach-crag6410.c

@@ -21,6 +21,7 @@
 #include <linux/gpio.h>
 #include <linux/leds.h>
 #include <linux/delay.h>
+#include <linux/mmc/host.h>
 #include <linux/regulator/machine.h>
 #include <linux/regulator/fixed.h>
 #include <linux/pwm_backlight.h>
@@ -697,6 +698,7 @@ static struct s3c_sdhci_platdata crag6410_hsmmc0_pdata = {
 	.max_width		= 4,
 	.cd_type		= S3C_SDHCI_CD_INTERNAL,
 	.cfg_gpio		= crag6410_cfg_sdhci0,
+	.host_caps		= MMC_CAP_POWER_OFF_CARD,
 };
 
 static const struct gpio_led gpio_leds[] = {