ARM: imx: vining2000: Convert MMC and block to DM

Enable DM block and DM MMC support on iMX6SX VINING|2000 .
Convert board code to match the DM support. This disables
USB mass storage support due to missing DM USB, however
that will be re-enabled in subsequent patch.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Silvio Fricke <silvio.fricke@softing.com>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/arch/arm/dts/imx6sx-softing-vining-2000.dts b/arch/arm/dts/imx6sx-softing-vining-2000.dts
index 2bc5162..371890f 100644
--- a/arch/arm/dts/imx6sx-softing-vining-2000.dts
+++ b/arch/arm/dts/imx6sx-softing-vining-2000.dts
@@ -16,6 +16,11 @@
 	model = "Softing VIN|ING 2000";
 	compatible = "samtec,imx6sx-vining-2000", "fsl,imx6sx";
 
+	aliases {
+		mmc0 = &usdhc4;
+		mmc1 = &usdhc2;
+	};
+
 	chosen {
 		stdout-path = &uart1;
 	};