ppc4xx: Update TEXT_BASE for DASA_SIM boards

Fix building DASA_SIM boards by increasing U-Boot's size in flash.

Signed-off-by: Matthias Fuchs <matthias.fuchs@esd.eu>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/include/configs/DASA_SIM.h b/include/configs/DASA_SIM.h
index 61704d0..21230e1 100644
--- a/include/configs/DASA_SIM.h
+++ b/include/configs/DASA_SIM.h
@@ -124,9 +124,9 @@
  * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
  */
 #define CONFIG_SYS_SDRAM_BASE		0x00000000
-#define CONFIG_SYS_FLASH_BASE		0xFFFD0000
+#define CONFIG_SYS_FLASH_BASE		0xFFFC0000
 #define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_FLASH_BASE
-#define CONFIG_SYS_MONITOR_LEN		(192 << 10)	/* Reserve 128 kB for Monitor	*/
+#define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 128 kB for Monitor	*/
 #define CONFIG_SYS_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc()	*/
 
 /*