mmc: add 5.0 emmc support

bug: 17968808 Kernel change for new eMMC v5.0 parts for FLO/DEB

Change-Id: Ia18152457fe3ff70401b199c267fa37374b9d544
Signed-off-by: hsuan-chih_chen <hsuan-chih_chen@asus.com>
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index dc4b125..ea1eca7 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -293,7 +293,7 @@
 	}
 
 	card->ext_csd.rev = ext_csd[EXT_CSD_REV];
-	if (card->ext_csd.rev > 6) {
+	if (card->ext_csd.rev > 7) {
 		pr_err("%s: unrecognised EXT_CSD revision %d\n",
 			mmc_hostname(card->host), card->ext_csd.rev);
 		err = -EINVAL;