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/TQM5200.h b/include/configs/TQM5200.h
index bfb478a..992439f 100644
--- a/include/configs/TQM5200.h
+++ b/include/configs/TQM5200.h
@@ -386,7 +386,7 @@
 #else
 /* use CFI flash driver */
 #define CFG_FLASH_CFI		1	/* Flash is CFI conformant */
-#define CFG_FLASH_CFI_DRIVER	1	/* Use the common driver */
+#define CONFIG_FLASH_CFI_DRIVER	1	/* Use the common driver */
 #define CFG_FLASH_BANKS_LIST	{ CFG_BOOTCS_START }
 #define CFG_MAX_FLASH_BANKS	1	/* max num of flash banks
 					   (= chip selects) */