arm: rmobile: kzm9g: Modify sdram area

Reserve first 16MB for RT-CPU (as same as kernel config).
Signed-off-by: NTetsuyuki Kobayashi <koba@kmckk.co.jp>
Signed-off-by: NNobuhiro Iwamatsu <iwamatsu@nigauri.org>

include/configs/kzm9g.h

@@ -97,8 +97,9 @@
 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
 					 CONFIG_SYS_INIT_RAM_SIZE - \
 					 GENERATED_GBL_DATA_SIZE)
-#define CONFIG_SYS_SDRAM_BASE	KZM_SDRAM_BASE
-#define CONFIG_SYS_SDRAM_SIZE	PHYS_SDRAM_SIZE
+#define CONFIG_SDRAM_OFFSET_FOR_RT	(16 * 1024 * 1024)
+#define CONFIG_SYS_SDRAM_BASE	(KZM_SDRAM_BASE + CONFIG_SDRAM_OFFSET_FOR_RT)
+#define CONFIG_SYS_SDRAM_SIZE	(PHYS_SDRAM_SIZE - CONFIG_SDRAM_OFFSET_FOR_RT)
 #define CONFIG_SYS_LOAD_ADDR	(CONFIG_SYS_SDRAM_BASE + 32 * 1024 * 1024)
 
 #define CONFIG_SYS_MONITOR_BASE	(KZM_FLASH_BASE)