NAND: Fix CONFIG_ENV_ADDR for MPC8572DS

CONFIG_ENV_ADDR should be (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE).
Signed-off-by: NHaiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

include/configs/MPC8572DS.h

@@ -509,7 +509,7 @@ extern unsigned long get_board_ddr_clk(unsigned long dummy);
 #if CONFIG_SYS_MONITOR_BASE > 0xfff80000
 #define CONFIG_ENV_ADDR		0xfff80000
 #else
-#define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
+#define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SECT_SIZE)
 #endif
 #define CONFIG_ENV_SIZE		0x2000
 #define CONFIG_ENV_SECT_SIZE	0x20000 /* 128K (one sector) */