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/drivers/mtd/Makefile b/drivers/mtd/Makefile
index ff932a1..6538f7a 100644
--- a/drivers/mtd/Makefile
+++ b/drivers/mtd/Makefile
@@ -25,11 +25,11 @@
 
 LIB	:= $(obj)libmtd.a
 
-COBJS-y += at45.o
-COBJS-y += cfi_flash.o
+COBJS-$(CONFIG_HAS_DATAFLASH) += at45.o
+COBJS-$(CONFIG_FLASH_CFI_DRIVER) += cfi_flash.o
 COBJS-$(CONFIG_HAS_DATAFLASH) += dataflash.o
-COBJS-y += mw_eeprom.o
 COBJS-$(CONFIG_FLASH_CFI_LEGACY) += jedec_flash.o
+COBJS-$(CONFIG_MW_EEPROM) += mw_eeprom.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)
diff --git a/drivers/mtd/at45.c b/drivers/mtd/at45.c
index a9d13ff..d1a60aa 100644
--- a/drivers/mtd/at45.c
+++ b/drivers/mtd/at45.c
@@ -20,8 +20,6 @@
 
 #include <config.h>
 #include <common.h>
-
-#ifdef CONFIG_HAS_DATAFLASH
 #include <dataflash.h>
 
 /*
@@ -559,4 +557,3 @@
 	AT91F_DataFlashGetStatus(pDesc);
 	return ((pDesc->command[1] == 0xFF) ? 0 : pDesc->command[1] & 0x3C);
 }
-#endif
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 479075c..402d835 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -39,7 +39,6 @@
 #include <asm/io.h>
 #include <asm/byteorder.h>
 #include <environment.h>
-#ifdef	CFG_FLASH_CFI_DRIVER
 
 /*
  * This file implements a Common Flash Interface (CFI) driver for
@@ -2015,5 +2014,3 @@
 #endif
 	return (size);
 }
-
-#endif /* CFG_FLASH_CFI */
diff --git a/drivers/mtd/mw_eeprom.c b/drivers/mtd/mw_eeprom.c
index 2b33488..f32ced4 100644
--- a/drivers/mtd/mw_eeprom.c
+++ b/drivers/mtd/mw_eeprom.c
@@ -1,9 +1,6 @@
 /* Three-wire (MicroWire) serial eeprom driver (for 93C46 and compatibles) */
 
 #include <common.h>
-
-#ifdef CONFIG_MW_EEPROM
-
 #include <ssi.h>
 
 /*
@@ -237,5 +234,3 @@
 	}
 	return 0;
 }
-
-#endif