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/MPC8349ITX.h b/include/configs/MPC8349ITX.h
index 54cab52..2a2e753 100644
--- a/include/configs/MPC8349ITX.h
+++ b/include/configs/MPC8349ITX.h
@@ -261,6 +261,7 @@
 #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		(128 * 1024) /* Reserved for malloc */
 
@@ -404,8 +405,8 @@
 
 #ifndef CFG_RAMBOOT
   #define CFG_ENV_IS_IN_FLASH
+  #define CFG_ENV_ADDR		(CFG_MONITOR_BASE + CFG_MONITOR_LEN)
   #define CFG_ENV_SECT_SIZE	0x10000 /* 64K (one sector) for environment */
-  #define CFG_ENV_ADDR		(CFG_MONITOR_BASE + (4 * CFG_ENV_SECT_SIZE))
   #define CFG_ENV_SIZE		0x2000
 #else
   #define CFG_NO_FLASH		/* Flash is not usable now */