mmc: Added support to switch emmc to correct frequency

When no-1-8-v is added in device tree, it slows down emmc to 25MHz.
This patch fixed this issue by setting correct emmc frequency.
Now, after adding no-1-8-v is added in device tree, it slows down emmc
to 52MHz.

Signed-off-by: Vipul Kumar <vipulk@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

drivers/mmc/mmc.c

@@ -750,9 +750,9 @@ static int mmc_change_freq(struct mmc *mmc)
 		return 0;
 
 	/* High Speed is set, there are three types: 200MHZ, 52MHz and 26MHz */
-	if (cardtype & EXT_CSD_CARD_TYPE_HS200) {
+	if (cardtype & EXT_CSD_CARD_TYPE_HS200)
 		mmc->card_caps |= MMC_MODE_HS200;
-	} else if (cardtype & EXT_CSD_CARD_TYPE_52) {
+	if (cardtype & EXT_CSD_CARD_TYPE_52) {
 		if (cardtype & EXT_CSD_CARD_TYPE_DDR_1_8V)
 			mmc->card_caps |= MMC_MODE_DDR_52MHz;
 		mmc->card_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;