mmc: dw_mmc: Add more capabilities field

This patch adds another capabilities field for MMC_CAPS2_XXX.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 44bc11e..69e5889 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1681,6 +1681,12 @@
 	else
 		mmc->caps = 0;
 
+	if (host->pdata->caps2)
+		mmc->caps2 = host->pdata->caps2;
+	else
+		mmc->caps2 = 0;
+
+
 	if (host->pdata->get_bus_wd)
 		if (host->pdata->get_bus_wd(slot->id) >= 4)
 			mmc->caps |= MMC_CAP_4_BIT_DATA;