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/board/xilinx/xilinx_iic/iic_adapter.c b/board/xilinx/xilinx_iic/iic_adapter.c
index 37dce03..5d84ca7 100644
--- a/board/xilinx/xilinx_iic/iic_adapter.c
+++ b/board/xilinx/xilinx_iic/iic_adapter.c
@@ -42,7 +42,7 @@
 #include <environment.h>
 #include <net.h>
 
-#ifdef CFG_ENV_IS_IN_EEPROM
+#ifdef CONFIG_ENV_IS_IN_EEPROM
 #include <i2c.h>
 #include "xiic_l.h"