udoo: Adjust the SD card device numbering

After the conversion to DM the SD card shows up as 'mmc 2'
device.

Adjust the 'mmcdev' and the distro command 'func' accordingly.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Peter Robinson <pbrobinson@gmail.com>
diff --git a/configs/udoo_defconfig b/configs/udoo_defconfig
index 8e1bba1..284ea05 100644
--- a/configs/udoo_defconfig
+++ b/configs/udoo_defconfig
@@ -35,6 +35,7 @@
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SYS_MMC_ENV_DEV=2
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_DM=y
 CONFIG_BOUNCE_BUFFER=y
diff --git a/include/configs/udoo.h b/include/configs/udoo.h
index fe6ea68..4bddc0e 100644
--- a/include/configs/udoo.h
+++ b/include/configs/udoo.h
@@ -28,7 +28,7 @@
 	"fdt_addr=0x18000000\0" \
 	"fdt_addr_r=0x18000000\0" \
 	"ip_dyn=yes\0" \
-	"mmcdev=0\0" \
+	"mmcdev=2\0" \
 	"mmcrootfstype=ext4\0" \
 	"findfdt="\
 		"if test ${board_rev} = MX6Q; then " \
@@ -44,7 +44,7 @@
 	BOOTENV
 
 #define BOOT_TARGET_DEVICES(func) \
-	func(MMC, mmc, 0) \
+	func(MMC, mmc, 2) \
 	func(SATA, sata, 0) \
 	func(DHCP, dhcp, na)