MMC: add MMC_VERSION_5_0

Signed-off-by: Markus Niebel <Markus.Niebel@tq-group.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 4a8cf65..99f03c9 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1001,6 +1001,9 @@
 		case 6:
 			mmc->version = MMC_VERSION_4_5;
 			break;
+		case 7:
+			mmc->version = MMC_VERSION_5_0;
+			break;
 		}
 
 		/*