[RFC] ARM: BCM5301X: add NAND flash chip description

[Brian Norris]

On Wed, May 27, 2015 at 11:46:48PM +0200, Hauke Mehrtens wrote:
> This deice tree attribute is already supported
> by one driver I moved the code to make it available for all drivers.

To be clear here, though, the original binding was barely reviewed, let
alone documented. So I'd consider a redefinition is perfectly acceptable
if we plan to make wider use of it.

Brian