drivers/mtd_spi_nor: implement mtd_spi_nor_write_page()
drivers/mtd_spi_nor: implement mtd_spi_nor_write_page()

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