mmc: Parse HS400 DT properties

Add HS400 properties parsing support to mmc_of_parse().

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Jean-Jacques Hiblot <jjhiblot@ti.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Simon Glass <sjg@chromium.org>
diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c
index f73f072..76225b7 100644
--- a/drivers/mmc/mmc-uclass.c
+++ b/drivers/mmc/mmc-uclass.c
@@ -166,6 +166,10 @@
 		cfg->host_caps |= MMC_CAP(MMC_HS_200);
 	if (dev_read_bool(dev, "mmc-hs200-1_2v"))
 		cfg->host_caps |= MMC_CAP(MMC_HS_200);
+	if (dev_read_bool(dev, "mmc-hs400-1_8v"))
+		cfg->host_caps |= MMC_CAP(MMC_HS_400);
+	if (dev_read_bool(dev, "mmc-hs400-1_2v"))
+		cfg->host_caps |= MMC_CAP(MMC_HS_400);
 
 	return 0;
 }