rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index cf6239f..c02ac62 100644
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -106,12 +106,12 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if defined(CFG_ENV_IS_EMBEDDED)
+#if defined(CONFIG_ENV_IS_EMBEDDED)
 #define TOTAL_MALLOC_LEN	CFG_MALLOC_LEN
-#elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
-	(CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
+#elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CFG_MONITOR_BASE) || \
+	(CONFIG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
       defined(CONFIG_ENV_IS_IN_NVRAM)
-#define	TOTAL_MALLOC_LEN	(CFG_MALLOC_LEN + CFG_ENV_SIZE)
+#define	TOTAL_MALLOC_LEN	(CFG_MALLOC_LEN + CONFIG_ENV_SIZE)
 #else
 #define	TOTAL_MALLOC_LEN	CFG_MALLOC_LEN
 #endif