mtd: spi-nor: copy the SPI NOR commands to a new header file
mtd: spi-nor: copy the SPI NOR commands to a new header file

This patch adds a new header :spi-nor.h,
and copies all the SPI NOR commands and relative macros into this new header.

This hearder can be used by the m25p80.c and other spi-nor controller,
such as Freescale's Quadspi.

Signed-off-by: Huang Shijie <3c7352d1cf9fbb1bd8706c56d582c0ade3f5dabf@freescale.com>
Acked-by: Marek Vasut <f40600653b33f5282fa4c5daf377dfc444fb4625@denx.de>
Signed-off-by: Brian Norris <ac73eed4b8a8c9127255a2696c52b2e7503720b8@gmail.com>

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