mtd: spi-nor: xilinx: Use manufacturer late_init() to set setup method

post_sfdp was misleading in this case, as SFDP is not supported by
xilinx. Plus, there's no fixup here, just setting the correct
setup method, as required by xilinx parts.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Michael Walle <michael@walle.cc>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Link: https://lore.kernel.org/r/20211029172633.886453-10-tudor.ambarus@microchip.com

drivers/mtd/spi-nor/xilinx.c

@@ -80,13 +80,13 @@ static int xilinx_nor_setup(struct spi_nor *nor,
 	return 0;
 }
 
-static void xilinx_post_sfdp_fixups(struct spi_nor *nor)
+static void xilinx_late_init(struct spi_nor *nor)
 {
 	nor->params->setup = xilinx_nor_setup;
 }
 
 static const struct spi_nor_fixups xilinx_fixups = {
-	.post_sfdp = xilinx_post_sfdp_fixups,
+	.late_init = xilinx_late_init,
 };
 
 const struct spi_nor_manufacturer spi_nor_xilinx = {