rename CFG_ENV_IS_IN_EEPROM in CONFIG_ENV_IS_IN_EEPROM

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/m501sk.h b/include/configs/m501sk.h
index bc94cf4..7fc460a 100644
--- a/include/configs/m501sk.h
+++ b/include/configs/m501sk.h
@@ -65,7 +65,7 @@
 #define CFG_I2C_SPEED		100
 #define CFG_I2C_SLAVE		0
 #define CFG_CONSOLE_INFO_QUIET
-#undef CFG_ENV_IS_IN_EEPROM
+#undef CONFIG_ENV_IS_IN_EEPROM
 #define CFG_I2C_EEPROM_ADDR	0x50
 #define CFG_I2C_EEPROM_ADDR_LEN	1
 #define CFG_EEPROM_AT24C16
@@ -164,7 +164,7 @@
 #define CFG_ENV_SIZE		2048
 #endif
 
-#ifdef CFG_ENV_IS_IN_EEPROM
+#ifdef CONFIG_ENV_IS_IN_EEPROM
 #define CFG_ENV_OFFSET		1024
 #define CFG_ENV_SIZE		1024
 #endif