dm: mmc: fsl_esdhc: Drop mmc_init() call from fsl_esdhc_init()

We want to use fsl_esdhc_init() with driver model. Move the mmc_init() out
of this function so that we can use it for our common init.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index bb6fac2..662824f 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -765,7 +765,6 @@
 {
 	struct mmc_config *cfg;
 	struct fsl_esdhc *regs;
-	struct mmc *mmc;
 	u32 caps, voltage_caps;
 	int ret;
 
@@ -856,12 +855,6 @@
 
 	cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
 
-	mmc = mmc_create(cfg, priv);
-	if (mmc == NULL)
-		return -1;
-
-	priv->mmc = mmc;
-
 	return 0;
 }
 
@@ -885,6 +878,7 @@
 {
 	struct fsl_esdhc_plat *plat;
 	struct fsl_esdhc_priv *priv;
+	struct mmc *mmc;
 	int ret;
 
 	if (!cfg)
@@ -915,6 +909,12 @@
 		return ret;
 	}
 
+	mmc = mmc_create(&plat->cfg, priv);
+	if (!mmc)
+		return -EIO;
+
+	priv->mmc = mmc;
+
 	return 0;
 }