mmc: sdhci-esdhc-imx: usdhc does not have missing card interrupt issue

The usdhc does not have missing card interrupt issue, so don't execute
workaround for usdhc.
Signed-off-by: Dong Aisheng <aisheng.dong@freescale.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci-esdhc-imx.c

@@ -298,7 +298,7 @@ static void esdhc_writel_le(struct sdhci_host *host, u32 val, int reg)
 	u32 data;
 
 	if (unlikely(reg == SDHCI_INT_ENABLE || reg == SDHCI_SIGNAL_ENABLE)) {
-		if (val & SDHCI_INT_CARD_INT) {
+		if ((val & SDHCI_INT_CARD_INT) && !esdhc_is_usdhc(imx_data)) {
 			/*
 			 * Clear and then set D3CD bit to avoid missing the
 			 * card interrupt.  This is a eSDHC controller problem