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/HWW1U1A.h b/include/configs/HWW1U1A.h
index f3f2136..bbfee7d 100644
--- a/include/configs/HWW1U1A.h
+++ b/include/configs/HWW1U1A.h
@@ -255,7 +255,7 @@
 /* -------------------------------------------------------------------- */
 
 /* FreeScale DDR2/3 SDRAM Controller */
-#define CONFIG_FSL_DDR2		/* Our SDRAM slot is DDR2		*/
+#define CONFIG_SYS_FSL_DDR2		/* Our SDRAM slot is DDR2		*/
 #define CONFIG_DDR_ECC		/* Enable ECC by default		*/
 #define CONFIG_DDR_SPD		/* Detect DDR config from SPD EEPROM	*/
 #define CONFIG_SPD_EEPROM	/* ...why 2 config variables for this?	*/