mpc83xx: Get rid of CONFIG_SYS_DDR_BASE

CONFIG_SYS_DDR_BASE is specific to mpc83xx an is always set to the same
value as CONFIG_SYS_SDRAM_BASE. Just use CONFIG_SYS_SDRAM_BASE instead.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
diff --git a/include/configs/kmcoge5ne.h b/include/configs/kmcoge5ne.h
index 7034c70..5c4df18 100644
--- a/include/configs/kmcoge5ne.h
+++ b/include/configs/kmcoge5ne.h
@@ -43,11 +43,10 @@
 /*
  * DDR Setup
  */
-#define CONFIG_SYS_DDR_BASE		0x00000000 /* DDR is system memory */
-#define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_BASE
+#define CONFIG_SYS_SDRAM_BASE		0x00000000 /* DDR is system memory */
 #define CONFIG_SYS_SDRAM_BASE2	(CONFIG_SYS_SDRAM_BASE + 0x10000000) /* +256M */
 
-#define CONFIG_SYS_DDR_SDRAM_BASE	CONFIG_SYS_DDR_BASE
+#define CONFIG_SYS_DDR_SDRAM_BASE	CONFIG_SYS_SDRAM_BASE
 #define CONFIG_SYS_DDR_SDRAM_CLK_CNTL	(DDR_SDRAM_CLK_CNTL_SS_EN | \
 					DDR_SDRAM_CLK_CNTL_CLK_ADJUST_05)