copper: Add Device Tree support

Add functionality to update device tree blob

Change-Id: I29b3c20ee58a370b860aec81a1c10e1095313d98
diff --git a/project/copper.mk b/project/copper.mk
index 175bf54..f3af929 100644
--- a/project/copper.mk
+++ b/project/copper.mk
@@ -11,3 +11,4 @@
 #DEFINES += WITH_DEBUG_DCC=1
 DEFINES += WITH_DEBUG_UART=1
 #DEFINES += WITH_DEBUG_FBCON=1
+#DEFINES += DEVICE_TREE=1