drivers/mtd: Move conditional compilation to Makefile

rename CFG_FLASH_CFI_DRIVER to CONFIG_FLASH_CFI_DRIVER

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/jupiter.h b/include/configs/jupiter.h
index c985927..af88a3f 100644
--- a/include/configs/jupiter.h
+++ b/include/configs/jupiter.h
@@ -191,7 +191,7 @@
 
 #define CFG_MAX_FLASH_BANKS	1	/* max num of flash banks */
 
-#define CFG_FLASH_CFI_DRIVER
+#define CONFIG_FLASH_CFI_DRIVER
 #define CFG_FLASH_CFI
 #define CFG_FLASH_EMPTY_INFO
 #define CFG_FLASH_CFI_WIDTH	FLASH_CFI_8BIT