ColdFire: Update configuration file to use flash buffer write

Update M52277EVB, M53017EVB and M54455EVB platform configuration
file to use flash buffer write

Signed-off-by: TsiChung Liew <tsicliew@gmail.com>
diff --git a/include/configs/M54455EVB.h b/include/configs/M54455EVB.h
index 87f3a73..4e33171 100644
--- a/include/configs/M54455EVB.h
+++ b/include/configs/M54455EVB.h
@@ -370,6 +370,7 @@
 #ifdef CONFIG_SYS_FLASH_CFI
 
 #	define CONFIG_FLASH_CFI_DRIVER	1
+#	define CONFIG_SYS_FLASH_USE_BUFFER_WRITE	1
 #	define CONFIG_SYS_FLASH_SIZE		0x1000000	/* Max size that the board might have */
 #	define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_8BIT
 #	define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of memory banks */