at91: ma5d4evk: Enable DM

Enable Driver model for AT91 ma5d4evk boards.
Signed-off-by: NJagan Teki <jagan@amarulasolutions.com>

arch/arm/mach-at91/Kconfig

@@ -200,6 +200,7 @@ config TARGET_MA5D4EVK
 	bool "Aries MA5D4EVK Evaluation Kit"
 	select SAMA5D4
 	select SUPPORT_SPL
+	select DM
 
 config TARGET_MEESC
 	bool "Support meesc"