spi: spidev: Add sx1301 to device tree compatibility list

Add entry for the semtech sx1301 baseband processor implementing a LoRa
concentrator IP.
At this time this chip requires an spidev userspace driver.

Signed-off-by: Ben Whitten <ben.whitten@lairdtech.com>
Signed-off-by: Steve deRosier <derosier@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spidev.c

@@ -697,6 +697,7 @@ static const struct of_device_id spidev_dt_ids[] = {
 	{ .compatible = "rohm,dh2228fv" },
 	{ .compatible = "lineartechnology,ltc2488" },
 	{ .compatible = "ge,achc" },
+	{ .compatible = "semtech,sx1301" },
 	{},
 };
 MODULE_DEVICE_TABLE(of, spidev_dt_ids);