mmc: sdhci: add define for suspend/resume capability

This patch adds the missing define for the suspend/resume
capability (according to SD Host Controller spec).
Signed-off-by: NStefan Wahren <stefan.wahren@i2se.com>
Acked-by: NScott Branden <scott.branden@broadcom.com>
Acked-by: NAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci.h

@@ -186,6 +186,7 @@
 #define  SDHCI_CAN_DO_ADMA1	0x00100000
 #define  SDHCI_CAN_DO_HISPD	0x00200000
 #define  SDHCI_CAN_DO_SDMA	0x00400000
+#define  SDHCI_CAN_DO_SUSPEND	0x00800000
 #define  SDHCI_CAN_VDD_330	0x01000000
 #define  SDHCI_CAN_VDD_300	0x02000000
 #define  SDHCI_CAN_VDD_180	0x04000000