83xx: fix CFG_ENV_ADDR and CFG_ENV_SECT_SIZE definitions

Fix the definitions of CFG_ENV_ADDR and CFG_ENV_SECT_SIZE for all of the
currently-defined 83xx boards.  This change guarantees that the environment
will be located on the first flash sector after the U-Boot image.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/include/configs/MPC8313ERDB.h b/include/configs/MPC8313ERDB.h
index 6568fe1..0c3bc16 100644
--- a/include/configs/MPC8313ERDB.h
+++ b/include/configs/MPC8313ERDB.h
@@ -178,6 +178,7 @@
 #define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
 #define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
 
+/* CFG_MONITOR_LEN must be a multiple of CFG_ENV_SECT_SIZE */
 #define CFG_MONITOR_LEN		(256 * 1024)	/* Reserve 256 kB for Mon */
 #define CFG_MALLOC_LEN		(512 * 1024)	/* Reserved for malloc */
 
@@ -326,7 +327,7 @@
  */
 #ifndef CFG_RAMBOOT
 	#define CFG_ENV_IS_IN_FLASH	1
-	#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + 0x40000)
+	#define CFG_ENV_ADDR		(CFG_MONITOR_BASE + CFG_MONITOR_LEN)
 	#define CFG_ENV_SECT_SIZE	0x10000	/* 64K(one sector) for env */
 	#define CFG_ENV_SIZE		0x2000