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/quad100hd.h b/include/configs/quad100hd.h
index 622a5d4..d464734 100644
--- a/include/configs/quad100hd.h
+++ b/include/configs/quad100hd.h
@@ -182,7 +182,7 @@
  * FLASH organization
  */
 #define CFG_FLASH_CFI			/* The flash is CFI compatible	*/
-#define	CFG_FLASH_CFI_DRIVER
+#define	CONFIG_FLASH_CFI_DRIVER
 
 #define CFG_FLASH_BANKS_LIST	{ CFG_FLASH_BASE }