nds32: ftsdc010: Fix SD detech fail on AE3XX.

AE3XX can not support SD high-speed mode.
SW can work-around by removing HS capibility.

Signed-off-by: Rick Chen <rick@andestech.com>
diff --git a/drivers/mmc/ftsdc010_mci.c b/drivers/mmc/ftsdc010_mci.c
index 113cf13..6ac4f83 100644
--- a/drivers/mmc/ftsdc010_mci.c
+++ b/drivers/mmc/ftsdc010_mci.c
@@ -376,7 +376,6 @@
 		cfg->host_caps |= MMC_MODE_4BIT;
 		cfg->host_caps &= ~MMC_MODE_8BIT;
 	}
-	cfg->host_caps |= MMC_MODE_HS | MMC_MODE_HS_52MHz;
 	cfg->part_type = PART_TYPE_DOS;
 	cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
 }