[PATCH] mtd: spi-nor: support dual, quad, and WP for Gigadevice

[Brian Norris]

On Fri, Jul 01, 2016 at 03:25:16PM -0700, Brian Norris wrote:
> Gigadevice flash support BP{0,1,2,3,4} bits, where BP3 means the same as
> the existing supported TB (Top/Bottom), and BP4 means the same as the
> not-yet-supported 4K bit used on other flash (e.g., Winbond). Let's
> support lock/unlock with the same feature flags as w25q32dw/w25q64dw.
> 
> Tested on gd25lq64c, but I checked datasheets for the other 3, to make
> sure.
> 
> While I was at it, I noticed that these all support dual and quad as
> well. I noted them, but can't test them at the moment, since my test
> system only supports standard 1x SPI.
> 
> Signed-off-by: Brian Norris <computersforpeace at gmail.com>

Applied to l2-mtd.git