Driver/DDR: Moving Freescale DDR driver to a common driver

Freescale DDR driver has been used for mpc83xx, mpc85xx, mpc86xx SoCs.
The similar DDR controllers will be used for ARM-based SoCs.

Signed-off-by: York Sun <yorksun@freescale.com>
diff --git a/include/configs/BSC9131RDB.h b/include/configs/BSC9131RDB.h
index 036f264..499d8c2 100644
--- a/include/configs/BSC9131RDB.h
+++ b/include/configs/BSC9131RDB.h
@@ -80,7 +80,7 @@
 #define CONFIG_SYS_MEMTEST_END		0x01ffffff
 
 /* DDR Setup */
-#define CONFIG_FSL_DDR3
+#define CONFIG_SYS_FSL_DDR3
 #undef CONFIG_SYS_DDR_RAW_TIMING
 #undef CONFIG_DDR_SPD
 #define CONFIG_SYS_SPD_BUS_NUM		0