drivers/mtd_spi_nor: do address conversion in SPI function
drivers/mtd_spi_nor: do address conversion in SPI function

RIOT-OS/RIOT,RIOT-OS/RIOT,OlegHahm/RIOT,miri64/RIOT,OlegHahm/RIOT,kYc0o/RIOT,authmillenon/RIOT,OTAkeys/RIOT,jasonatran/RIOT,jasonatran/RIOT,OTAkeys/RIOT,kaspar030/RIOT,authmillenon/RIOT,jasonatran/RIOT,kYc0o/RIOT,RIOT-OS/RIOT,OTAkeys/RIOT,miri64/RIOT,ant9000/RIOT,OlegHahm/RIOT,ant9000/RIOT,OlegHahm/RIOT,kYc0o/RIOT,kaspar030/RIOT,ant9000/RIOT,kYc0o/RIOT,jasonatran/RIOT,authmillenon/RIOT,ant9000/RIOT,OlegHahm/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,kaspar030/RIOT,miri64/RIOT,miri64/RIOT,authmillenon/RIOT,OTAkeys/RIOT,ant9000/RIOT,miri64/RIOT,kaspar030/RIOT,authmillenon/RIOT,authmillenon/RIOT,OTAkeys/RIOT,kYc0o/RIOT,RIOT-OS/RIOT,kaspar030/RIOT