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/board/cssi/MCR3000/u-boot.lds b/board/cssi/MCR3000/u-boot.lds
index a32c0e7..447ffde 100644
--- a/board/cssi/MCR3000/u-boot.lds
+++ b/board/cssi/MCR3000/u-boot.lds
@@ -69,6 +69,12 @@
 	__ex_table : { *(__ex_table) }
 	__stop___ex_table = .;
 
+	/*
+	 * _end - This is end of u-boot.bin image.
+	 * dtb will be appended here to make u-boot-dtb.bin
+	 */
+	_end = .;
+
 	. = ALIGN(4096);
 	__init_begin = .;
 	.text.init : { *(.text.init) }