udoo: Select CMD_DM

CMD_DM is useful for showing the whole DM tree.

Enable it via "imply CMD_DM".

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Peter Robinson <pbrobinson@gmail.com>
diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig
index 62de942..98df4d4 100644
--- a/arch/arm/mach-imx/mx6/Kconfig
+++ b/arch/arm/mach-imx/mx6/Kconfig
@@ -588,6 +588,7 @@
 	depends on MX6QDL
 	select BOARD_LATE_INIT
 	select SUPPORT_SPL
+	imply CMD_DM
 
 config TARGET_UDOO_NEO
 	bool "UDOO Neo"