mtd: spi-nor: xilinx: remove addr_nbytes from S3AN_INFO()

The default value of addr_nbytes is already 3. Drop it.

Signed-off-by: Michael Walle <mwalle@kernel.org>
Link: https://lore.kernel.org/r/20230807-mtd-flash-info-db-rework-v3-4-e60548861b10@kernel.org


Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>