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/CPC45.h b/include/configs/CPC45.h
index 11107d4..7ec48a1 100644
--- a/include/configs/CPC45.h
+++ b/include/configs/CPC45.h
@@ -323,7 +323,7 @@
 	/* Warining: environment is not EMBEDDED in the ppcboot code.
 	 * It's stored in flash separately.
 	 */
-#define CFG_ENV_IS_IN_FLASH	    1
+#define CONFIG_ENV_IS_IN_FLASH	    1
 
 #define CFG_ENV_ADDR		(CFG_FLASH_BASE + 0x7F8000)
 #define CFG_ENV_SIZE		0x4000	/* Size of the Environment		*/