ppc4xx: Update Makalu fdt support

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/include/configs/makalu.h b/include/configs/makalu.h
index 2871a6c..8f8e867 100644
--- a/include/configs/makalu.h
+++ b/include/configs/makalu.h
@@ -394,6 +394,4 @@
 #define CONFIG_OF_LIBFDT	1
 #define CONFIG_OF_BOARD_SETUP	1
 
-#define OF_CPU			"PowerPC,405EX@0"
-
 #endif	/* __CONFIG_H */