mmc: fsl_esdhc_imx: fix config check issue when building in SPL

Should use CONFIG_IS_ENABLED not IS_ENABLED for clock and regulator drivers,
CONFIG_IS_ENABLED will check the CONFIG_SPL_CLK and CONFIG_SPL_DM_REGULATOR
when building SPL.

Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c
index c0d47ba..4938202 100644
--- a/drivers/mmc/fsl_esdhc_imx.c
+++ b/drivers/mmc/fsl_esdhc_imx.c
@@ -146,7 +146,7 @@
 	u32 tuning_start_tap;
 	u32 strobe_dll_delay_target;
 	u32 signal_voltage;
-#if IS_ENABLED(CONFIG_DM_REGULATOR)
+#if CONFIG_IS_ENABLED(DM_REGULATOR)
 	struct udevice *vqmmc_dev;
 	struct udevice *vmmc_dev;
 #endif
@@ -1515,7 +1515,7 @@
 
 	init_clk_usdhc(dev->seq);
 
-	if (IS_ENABLED(CONFIG_CLK)) {
+	if (CONFIG_IS_ENABLED(CLK)) {
 		/* Assigned clock already set clock */
 		ret = clk_get_by_name(dev, "per", &priv->per_clk);
 		if (ret) {