mtd: spi-nor: shorten Kconfig naming

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Acked-by: Huang Shijie <b32955@freescale.com>

diff --cc drivers/mtd/Makefile
Simple merge

diff --cc drivers/mtd/devices/Kconfig
Simple merge

diff --cc drivers/mtd/spi-nor/Kconfig
Simple merge

diff --cc drivers/mtd/spi-nor/Makefile
Simple merge