[MTD] NAND: s3c24xx updates

Fix error in timing generation, Tacls is only in the range 0..3

Add proper support for the s3c2440 NAND controller, which has now
been tested on several s3c2440 implementations.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

drivers/mtd/nand/Kconfig

 # drivers/mtd/nand/Kconfig
-# $Id: Kconfig,v 1.26 2005/01/05 12:42:24 dwmw2 Exp $
+# $Id: Kconfig,v 1.31 2005/06/20 12:03:21 bjd Exp $
 
 menu "NAND Flash Device Drivers"
 	depends on MTD!=n
@@ -95,10 +95,11 @@ config MTD_NAND_PPCHAMELEONEVB
 	  This enables the NAND flash driver on the PPChameleon EVB Board.
 
 config MTD_NAND_S3C2410
-	tristate "NAND Flash support for S3C2410 SoC"
+	tristate "NAND Flash support for S3C2410/S3C2440 SoC"
 	depends on ARCH_S3C2410 && MTD_NAND
 	help
-	  This enables the NAND flash controller on the S3C2410.
+	  This enables the NAND flash controller on the S3C2410 and S3C2440
+	  SoCs
 
 	  No board specfic support is done by this driver, each board
 	  must advertise a platform_device for the driver to attach.