LASAT depends on MTD_CFI

The following difference was found between the mainline and linux-mips
kernel.  LASAT depends on MTD_CFI.
Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

drivers/mtd/maps/Kconfig

@@ -200,8 +200,8 @@ config MTD_TSUNAMI
 	  Support for the flash chip on Tsunami TIG bus.
 
 config MTD_LASAT
-	tristate "Flash chips on LASAT board"
-	depends on LASAT
+	tristate "LASAT flash device"
+	depends on LASAT && MTD_CFI
 	help
 	  Support for the flash chips on the Lasat 100 and 200 boards.