rename CFG_ENV macros to CONFIG_ENV

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/board/eltec/elppc/misc.c b/board/eltec/elppc/misc.c
index 5fb20ae..5e3a81c 100644
--- a/board/eltec/elppc/misc.c
+++ b/board/eltec/elppc/misc.c
@@ -42,7 +42,7 @@
 void *nvram_read (void *dest, const long src, size_t count)
 {
 	uchar *d = (uchar *) dest;
-	uchar *s = (uchar *) (CFG_ENV_MAP_ADRS + src);
+	uchar *s = (uchar *) (CONFIG_ENV_MAP_ADRS + src);
 
 	while (count--)
 		*d++ = *s++;
@@ -52,7 +52,7 @@
 
 void nvram_write (long dest, const void *src, size_t count)
 {
-	uchar *d = (uchar *) (CFG_ENV_MAP_ADRS + dest);
+	uchar *d = (uchar *) (CONFIG_ENV_MAP_ADRS + dest);
 	uchar *s = (uchar *) src;
 
 	while (count--)