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/board/icecube/flash.c b/board/icecube/flash.c
index 15e86d3..2d4026a 100644
--- a/board/icecube/flash.c
+++ b/board/icecube/flash.c
@@ -23,7 +23,7 @@
 
 #include <common.h>
 
-#ifndef CFG_FLASH_CFI_DRIVER
+#ifndef CONFIG_FLASH_CFI_DRIVER
 flash_info_t	flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips	*/
 
 /* NOTE - CONFIG_FLASH_16BIT means the CPU interface is 16-bit, it
@@ -490,4 +490,4 @@
 
 	return (res);
 }
-#endif /*CFG_FLASH_CFI_DRIVER*/
+#endif /*CONFIG_FLASH_CFI_DRIVER*/
diff --git a/board/prodrive/pdnb3/flash.c b/board/prodrive/pdnb3/flash.c
index 518ea9c..0786324 100644
--- a/board/prodrive/pdnb3/flash.c
+++ b/board/prodrive/pdnb3/flash.c
@@ -24,7 +24,7 @@
 #include <common.h>
 #include <asm/arch/ixp425.h>
 
-#if !defined(CFG_FLASH_CFI_DRIVER)
+#if !defined(CONFIG_FLASH_CFI_DRIVER)
 
 /*
  * include common flash code (for esd boards)
@@ -86,4 +86,4 @@
 	return size;
 }
 
-#endif /* CFG_FLASH_CFI_DRIVER */
+#endif /* CONFIG_FLASH_CFI_DRIVER */
diff --git a/board/tqc/tqm8xx/flash.c b/board/tqc/tqm8xx/flash.c
index 4342ebc..1231c7c 100644
--- a/board/tqc/tqm8xx/flash.c
+++ b/board/tqc/tqm8xx/flash.c
@@ -33,7 +33,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if !defined(CFG_FLASH_CFI_DRIVER) /* do not use if CFI driver is configured */
+#if !defined(CONFIG_FLASH_CFI_DRIVER) /* do not use if CFI driver is configured */
 
 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
     && !defined(CONFIG_TQM885D)
@@ -831,4 +831,4 @@
 /*-----------------------------------------------------------------------
  */
 
-#endif /* !defined(CFG_FLASH_CFI_DRIVER) */
+#endif /* !defined(CONFIG_FLASH_CFI_DRIVER) */