board: MCR3000: Activate CONFIG_DM and CONFIG_OF_CONTROL

Add mcr3000 device tree and activate CONFIG_DM and CONFIG_OF_CONTROL

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
diff --git a/arch/powerpc/dts/Makefile b/arch/powerpc/dts/Makefile
index a19aa56..172bed4 100644
--- a/arch/powerpc/dts/Makefile
+++ b/arch/powerpc/dts/Makefile
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0+
 
 dtb-$(CONFIG_TARGET_T2080QDS) += t2080qds.dtb
+dtb-$(CONFIG_MCR3000) += mcr3000.dtb
 
 targets += $(dtb-y)