mtd: spi-nor: Add support for sst25wf040b
mtd: spi-nor: Add support for sst25wf040b

It is a 512KiB flash with 4 KiB erase sectors.

Signed-off-by: Yuan Yao <8590e40ef5cb6355794d7302977c18b721b9b0a7@freescale.com>
Signed-off-by: Brian Norris <ac73eed4b8a8c9127255a2696c52b2e7503720b8@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs