powerpc/mpc8xxx: Fix CONFIG_DDR_RAW_TIMING for two boards

P1010RDB and p1_pc_rdb_pc has incorrect configuration for
CONFIG_DDR_RAW_TIMING. It should be CONFIG_SYS_DDR_RAW_TIMING.
Incorrect setting causes DDR failure in case of SPD absent.

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
diff --git a/board/freescale/p1010rdb/ddr.c b/board/freescale/p1010rdb/ddr.c
index e5d8423..36c8545 100644
--- a/board/freescale/p1010rdb/ddr.c
+++ b/board/freescale/p1010rdb/ddr.c
@@ -31,7 +31,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#ifndef CONFIG_DDR_RAW_TIMING
+#ifndef CONFIG_SYS_DDR_RAW_TIMING
 #define CONFIG_SYS_DRAM_SIZE	1024
 
 fsl_ddr_cfg_regs_t ddr_cfg_regs_800 = {
@@ -165,7 +165,7 @@
 	return ddr_size;
 }
 
-#else /* CONFIG_DDR_RAW_TIMING */
+#else /* CONFIG_SYS_DDR_RAW_TIMING */
 /*
  * Samsung K4B2G0846C-HCF8
  * The following timing are for "downshift"
@@ -247,4 +247,4 @@
 	}
 }
 
-#endif /* CONFIG_DDR_RAW_TIMING */
+#endif /* CONFIG_SYS_DDR_RAW_TIMING */