rename CFG_ENV_IS_IN_DATAFLASH in CONFIG_ENV_IS_IN_DATAFLASH

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c
index 8b6b46b..f3d8408 100644
--- a/common/cmd_nvedit.c
+++ b/common/cmd_nvedit.c
@@ -55,7 +55,7 @@
 #if !defined(CFG_ENV_IS_IN_NVRAM)	&& \
     !defined(CONFIG_ENV_IS_IN_EEPROM)	&& \
     !defined(CFG_ENV_IS_IN_FLASH)	&& \
-    !defined(CFG_ENV_IS_IN_DATAFLASH)	&& \
+    !defined(CONFIG_ENV_IS_IN_DATAFLASH)	&& \
     !defined(CFG_ENV_IS_IN_NAND)	&& \
     !defined(CFG_ENV_IS_IN_ONENAND)	&& \
     !defined(CFG_ENV_IS_IN_SPI_FLASH)	&& \
diff --git a/common/env_dataflash.c b/common/env_dataflash.c
index 2945364..1d55a27 100644
--- a/common/env_dataflash.c
+++ b/common/env_dataflash.c
@@ -19,7 +19,7 @@
  */
 #include <common.h>
 
-#if defined(CFG_ENV_IS_IN_DATAFLASH) /* Environment is in DataFlash */
+#if defined(CONFIG_ENV_IS_IN_DATAFLASH) /* Environment is in DataFlash */
 
 #include <command.h>
 #include <environment.h>
@@ -101,4 +101,4 @@
 	return (0);
 }
 
-#endif /* CFG_ENV_IS_IN_DATAFLASH */
+#endif /* CONFIG_ENV_IS_IN_DATAFLASH */