[U-Boot] nand: Extending the nand_ecclayout struct based on Linux 3.5

[Scott Wood]

On Thu, Sep 27, 2012 at 11:18:38AM -0000, Charles Hardin wrote:
> NANDs with large page sizes are getting oob ares of 218 and 224
> so the eccpos field needs to support these larger areas since
> BCH ECC correction with 24-bit over 1024 bytes will use 168 bytes
> of the oob for ECC and is required for current MLC NAND parts
> circa 2012.
> 
> Signed-off-by: Charles Hardin <ckhardin at exablox.com>

Applied to u-boot-nand-flash

-Scott