rename CFG_ENV_IS_IN_FLASH in CONFIG_ENV_IS_IN_FLASH

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/grsim_leon2.h b/include/configs/grsim_leon2.h
index c45b258..3cfeb20 100644
--- a/include/configs/grsim_leon2.h
+++ b/include/configs/grsim_leon2.h
@@ -207,7 +207,7 @@
  * Environment settings
  */
 #define CONFIG_ENV_IS_NOWHERE 1
-/*#define CFG_ENV_IS_IN_FLASH*/
+/*#define CONFIG_ENV_IS_IN_FLASH*/
 /*#define CFG_ENV_SIZE		0x8000*/
 #define CFG_ENV_SECT_SIZE	0x40000
 #define CONFIG_ENV_OVERWRITE	1