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/atstk1002.h b/include/configs/atstk1002.h
index 3a7d273..4a9a94e 100644
--- a/include/configs/atstk1002.h
+++ b/include/configs/atstk1002.h
@@ -177,7 +177,7 @@
 #define CFG_INTRAM_SIZE			INTERNAL_SRAM_SIZE
 #define CFG_SDRAM_BASE			EBI_SDRAM_BASE
 
-#define CFG_ENV_IS_IN_FLASH		1
+#define CONFIG_ENV_IS_IN_FLASH		1
 #define CFG_ENV_SIZE			65536
 #define CFG_ENV_ADDR			(CFG_FLASH_BASE + CFG_FLASH_SIZE - CFG_ENV_SIZE)