gflt200: switched to 256mb 400mhz ddr3 sdram config.

Change-Id: I52df9dcc706ac1094ec33f4433f04d713da909dd
diff --git a/Makefile b/Makefile
index 448392c..0465b86 100644
--- a/Makefile
+++ b/Makefile
@@ -2776,7 +2776,7 @@
 		echo "#define GFLT200" >> $(obj)include/config.h ;	\
 		echo "#define MV_BOOTSIZE_512K" >> $(obj)include/config.h ; \
 		echo "#define MV_BOOTROM" >> $(obj)include/config.h ;	\
-		echo "MV_DDR_FREQ=400rd_A-MC" >> $(obj)include/config.mk ;\
+		echo "MV_DDR_FREQ=256mb_400mhz" >> $(obj)include/config.mk ;\
 		echo "  * Configured for GFLT200"; \
 	else \
 		echo "  * Error no board was configured"; \