ARM: imx: dh-imx6: Convert SATA support to DM

Enable DM SATA support on DHCOM iMX6 PDK2.
Convert board code to match the DM support.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Ludwig Zenz <lzenz@dh-electronics.com>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/configs/dh_imx6_defconfig b/configs/dh_imx6_defconfig
index 37c2f01..541f5f3 100644
--- a/configs/dh_imx6_defconfig
+++ b/configs/dh_imx6_defconfig
@@ -14,6 +14,7 @@
 CONFIG_DM_MMC=y
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_SPL_SPI_SUPPORT=y
+CONFIG_AHCI=y
 CONFIG_DISTRO_DEFAULTS=y
 # CONFIG_SYS_MALLOC_F is not set
 CONFIG_FIT=y
@@ -60,6 +61,7 @@
 CONFIG_MII=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_IMX6=y
+CONFIG_DM_SCSI=y
 CONFIG_SPI=y
 CONFIG_MXC_SPI=y
 CONFIG_USB=y