add new CONFIG_AT91_LEGACY

* add's the new temporary CONFIG_AT91_LEGACY to all board configs
 This will need for backward compatiblity, while change the SoC access
 to c structures. If CONFIG_AT91_LEGACY is defined, the deprecated
 SoC is used.

Signed-off-by: Jens Scharsig <js_at_ng@scharsoft.de>
diff --git a/include/configs/cpuat91.h b/include/configs/cpuat91.h
index e872fe9..b4fda76 100644
--- a/include/configs/cpuat91.h
+++ b/include/configs/cpuat91.h
@@ -26,6 +26,8 @@
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
+#define CONFIG_AT91_LEGACY
+
 #ifdef CONFIG_CPUAT91_RAM
 #define CONFIG_SKIP_LOWLEVEL_INIT	1
 #define CONFIG_SKIP_RELOCATE_UBOOT	1