dm: imx: cm_fx6: Enable more driver model support

Enable driver model for MMC (including BLK), SATA and USB. Note that USB
does not yet work correctly since the nodes are disabled. Hopefully this
can be resolved by the maintainer.

Signed-off-by: Simon Glass <sjg@chromium.org>

configs/cm_fx6_defconfig

@@ -11,6 +11,8 @@ CONFIG_SPL_SPI_SUPPORT=y
 CONFIG_SPL_WATCHDOG_SUPPORT=y
 CONFIG_VIDEO=y
 # CONFIG_CMD_BMODE is not set
+CONFIG_DEFAULT_DEVICE_TREE="imx6q-cm-fx6"
+CONFIG_AHCI=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg,MX6QDL"
 CONFIG_ENV_IS_IN_SPI_FLASH=y
@@ -49,6 +51,8 @@ CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_CMD_MTDPARTS=y
+CONFIG_OF_CONTROL=y
+CONFIG_DM_MMC=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_ATMEL=y
 CONFIG_SPI_FLASH_EON=y
@@ -59,9 +63,11 @@ CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_SST=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_PHYLIB=y
+CONFIG_DM_PMIC=y
+CONFIG_DM_REGULATOR=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_KEYBOARD=y
 CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE=y
-CONFIG_OF_LIBFDT=y
 CONFIG_FDT_FIXUP_PARTITIONS=y

drivers/mmc/fsl_esdhc.c

@@ -866,7 +866,7 @@ static int fsl_esdhc_init(struct fsl_esdhc_priv *priv,
 	return 0;
 }
 
-#ifndef CONFIG_DM_MMC
+#if !CONFIG_IS_ENABLED(DM_MMC)
 static int fsl_esdhc_cfg_to_priv(struct fsl_esdhc_cfg *cfg,
 				 struct fsl_esdhc_priv *priv)
 {