mtd: spinand: winbond: add Winbond W25N02KV flash support

Add support of Winbond W25N02KV flash

Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20221010105110.446674-2-mikhail.kshevetskiy@iopsys.eu