ARM: Enable CONFIG_DM_MMC and CONFIG_DM_BLK on HSC and DDC boards

This commit enables DM_MMC and DM_BLK on imx53 based HSC and DDC boards.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
diff --git a/arch/arm/mach-imx/mx5/Kconfig b/arch/arm/mach-imx/mx5/Kconfig
index 29051c4..cbffdae 100644
--- a/arch/arm/mach-imx/mx5/Kconfig
+++ b/arch/arm/mach-imx/mx5/Kconfig
@@ -27,6 +27,8 @@
 	select DM_I2C
 	select DM_PMIC
 	select DM_SERIAL
+	select DM_MMC
+	select BLK
 	select MX53
 	imply CMD_DM