global: Migrate CONFIG_ENV_TOTAL_SIZE to CFG

Perform a simple rename of CONFIG_ENV_TOTAL_SIZE to CFG_ENV_TOTAL_SIZE

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/kmcent2.h b/include/configs/kmcent2.h
index 80bff4b..a4b6a6e 100644
--- a/include/configs/kmcent2.h
+++ b/include/configs/kmcent2.h
@@ -127,7 +127,7 @@
 #define CFG_SYS_NUM_CPC		CONFIG_SYS_NUM_DDR_CTLRS
 
 /* Environment in parallel NOR-Flash */
-#define CONFIG_ENV_TOTAL_SIZE		0x040000
+#define CFG_ENV_TOTAL_SIZE		0x040000
 #define ENV_DEL_ADDR		0xebf00000	/*direct for newenv*/
 
 /*