Convert to use fsl_esdhc_imx for i.MX platforms

Converted to use fsl_esdhc_imx for i.MX platforms.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Tested-by: Steffen Dirkwinkel <s.dirkwinkel@beckhoff.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Martyn Welch <martyn.welch@collabora.com>
Acked-by: Jason Liu <Jason.hui.liu@nxp.com>
diff --git a/configs/imx6ul_isiot_emmc_defconfig b/configs/imx6ul_isiot_emmc_defconfig
index 88b9b49..92f5bd0 100644
--- a/configs/imx6ul_isiot_emmc_defconfig
+++ b/configs/imx6ul_isiot_emmc_defconfig
@@ -38,7 +38,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="imx6ul-isiot-emmc"
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_I2C_MXC=y
-CONFIG_FSL_ESDHC=y
+CONFIG_FSL_ESDHC_IMX=y
 CONFIG_PHYLIB=y
 CONFIG_PHY_SMSC=y
 CONFIG_FEC_MXC=y