mtd: spi-nor-ids: Add support for ESMT/EON EN25Q80B

The datasheet can be found here:
https://www.esmt.com.tw/upload/pdf/ESMT/datasheets/EN25Q80B_Ver.E.pdf



Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>