spi: spidev: Add spi device-id for adi,swspi

There is a 1:1 correspondance between the entries of spidev_dt_ids[] and
spidev_spi_ids[]. So add a spi device-id for "adi,swspi".

This fixes the boot warning:

	SPI driver spidev has no spi_device_id for adi,swspi

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>

Author: ukleinek

drivers/spi/spidev.c

@@ -704,6 +704,7 @@ static const struct file_operations spidev_fops = {
 static struct class *spidev_class;
 
 static const struct spi_device_id spidev_spi_ids[] = {
+	{ .name = "swspi" },
 	{ .name = "dh2228fv" },
 	{ .name = "ltc2488" },
 	{ .name = "sx1301" },